100,000


100,000 is the natural number following 99,999 and preceding 100,001. In scientific notation, it is written as 105.

Terms for 100,000

In Bangladesh, India, Pakistan and South Asia, one hundred thousand is called a lakh, and is written as 1,00,000. The Thai, Lao, Khmer and Vietnamese languages also have separate words for this number: แสน, ແສນ, សែន, and ức respectively. The Malagasy word is hetsy.
In the Netherlands, a 'ton' is a colloquialism for a denomination of 100.000 monetary units. In the guilders period a ton would denote 100.000 guilders. With the introduction of the euro, a ton would come to mean 100.000 euros. The usage is mostly limited to the financial sphere and the buying and selling of houses. It is not used in official settings because of the ambiguity with commonly used metric tonne. While usage is common in the Netherlands, it sees almost no use in Belgium.
In Cyrillic numerals, it is known as the legion : or.

Values of 100,000

In astronomy, 100,000 metres, 100 kilometres, or 100 km is the altitude at which the Fédération Aéronautique Internationale defines spaceflight to begin.
In paleoclimatology, the 100,000-year problem is a mismatch between the temperature record and the modeled incoming solar radiation.
In the Irish language, is a popular greeting meaning "a hundred thousand welcomes".

Selected 6-digit numbers (100,001–999,999)

100,001 to 199,999

  • 100,001 = second smallest 6-digit number
  • 100,003 = smallest 6-digit prime number
  • 100,128 = smallest triangular number with 6 digits and the 447th triangular number
  • 100,151 = twin prime with 100,153
  • 100,153 = twin prime with 100,151
  • 100,255 = Friedman number
  • 100,489 = 3172, the smallest 6-digit square
  • 101,101 = smallest palindromic Carmichael number
  • 101,723 = smallest prime number whose square is a pandigital number containing each digit from 0 to 9
  • 102,564 = The smallest parasitic number
  • 103,049 = Schröder–Hipparchus number
  • 103,680 = highly totient number
  • 103,769 = the number of combinatorial types of 5-dimensional parallelohedra
  • 103,823 = 473, the smallest 6-digit cube and nice Friedman number 3
  • 104,480 = number of non-isomorphic set-systems of weight 14.
  • 104,723 = the 9,999th prime number
  • 104,729 = the 10,000th prime number
  • 104,869 = the smallest prime number containing every non-prime digit
  • 104,976 = 184, 3-smooth number
  • 105,071 = number of triangle-free graphs on 11 vertices
  • 105,558 = number of partitions of 46
  • 105,664 = harmonic divisor number
  • 108,968 = number of signed trees with 11 nodes
  • 109,376 = automorphic number
  • 110,880 = 30th highly composite number
  • 111,111 = repunit
  • 111,777 = smallest natural number requiring 17 syllables in American English, 19 in British English
  • 113,634 = Motzkin number for n = 14
  • 114,243/80,782 ≈ √2
  • 114,689 = prime factor of F12
  • 115,975 = Bell number
  • 116,281 = 3412, square number, centered decagonal number, 18-gonal number
  • 117,067 = first vampire prime
  • 117,649 = 76
  • 117,800 = harmonic divisor number
  • 120,032 = number of primitive polynomials of degree 22 over GF
  • 120,284 = Keith number
  • 120,960 = highly totient number
  • 121,393 = Fibonacci number
  • 123,717 = smallest digitally balanced number in base 7
  • 123,867 = number of trees with 18 unlabeled nodes
  • 124,754 = number of partitions of 47
  • 125,673 = logarithmic number
  • 127,777 = smallest natural number requiring 18 syllables in American English, 20 in British English
  • 127,912 = Wedderburn–Etherington number
  • 128,981 = Starts the first prime gap sequence of 2, 4, 6, 8, 10, 12, 14
  • 129,106 = Keith number
  • 130,321 = 194
  • 131,071 = Mersenne prime
  • 131,072 = 217, largest determinant of a -matrix of order 15.
  • 131,361 = Leyland number
  • 134,340 = Pluto's minor planet designation
  • 135,135 = double factorial of 13
  • 135,137 = Markov number
  • 142,129 = 3772, square number, dodecagonal number
  • 142,857 = Kaprekar number, smallest cyclic number in decimal.
  • 144,000 = number with religious significance
  • 147,273 = number of partitions of 48
  • 147,640 = Keith number
  • 148,149 = Kaprekar number
  • 152,381 = unique prime in base 20
  • 156,146 = Keith number
  • 155,921 = smallest prime number being the only prime in an interval from 100n to 100n + 99
  • 160,000 = 204
  • 160,176 = number of reduced trees with 26 nodes
  • 161,051 = 115
  • 161,280 = highly totient number
  • 166,320 = 31st highly composite number
  • 167,400 = harmonic divisor number
  • 167,894 = number of ways to partition and then partition each cell into subcells.
  • 173,525 = number of partitions of 49
  • 173,600 = harmonic divisor number
  • 174,680 = Keith number
  • 174,763 = Wagstaff prime
  • 176,906 = number of 24-bead necklaces where complements are equivalent
  • 177,147 = 311
  • 177,777 = smallest natural number requiring 19 syllables in American English, 21 in British English
  • 178,478 = Leyland number
  • 181,440 = highly totient number
  • 181,819 = Kaprekar number
  • 182,362 = number of 23-bead binary necklaces with beads of 2 colors where the colors may be swapped but turning over is not allowed
  • 183,186 = Keith number
  • 183,231 = number of partially ordered set with 9 unlabeled elements
  • 187,110 = Kaprekar number
  • 189,819 = number of letters in the longest English word, taking 3 hours to pronounce
  • 194,481 = 214
  • 195,025 = Pell number, Markov number
  • 196,418 = Fibonacci number, Markov number
  • 196,560 = the kissing number in 24 dimensions
  • 196,883 = the dimension of the smallest nontrivial irreducible representation of the Monster group
  • 196,884 = the coefficient of q in the Fourier series expansion of the j-invariant. The adjacency of 196883 and 196884 was important in suggesting monstrous moonshine.
  • 199,999 = prime number

    200,000 to 299,999

  • 202,717 = k such that the sum of the squares of the first k primes is divisible by k.
  • 206,098 – Large Schröder number
  • 206,265 = rounded number of arc seconds in a radian, since = 206,264.806...
  • 207,360 = highly totient number
  • 208,012 = the Catalan number C12
  • 208,335 = the largest number to be both triangular and square pyramidal
  • 208,495 = Kaprekar number
  • 212,159 = smallest unprimeable number ending in 1, 3, 7 or 9
  • 221,760 = 32nd highly composite number
  • 222,222 = repdigit
  • 224,737 = the 20,000th prime number
  • 227,475 = Riordan number
  • 234,256 = 224
  • 237,510 = harmonic divisor number
  • 238,591 = number of free 13-ominoes
  • 241,920 = highly totient number
  • 242,060 = harmonic divisor number
  • 248,832 = 125, 100,00012, AKA a gross-great-gross ; the smallest fifth power that can be represented as the sum of only 6 fifth powers: 125 = 45 + 55 + 65 + 75 + 95 + 115
  • 253,293 = number of prime knots with 15 crossings
  • 255,168 = number of ways to play tic tac toe
  • 262,144 = 218; exponential factorial of 4; a superperfect number
  • 262,468 = Leyland number
  • 268,705 = Leyland number
  • 271,129 – smallest known Sierpiński prime
  • 274,177 = prime factor of the Fermat number F6
  • 275,807/195,025 ≈ √2
  • 276,480 = number of primitive polynomials of degree 24 over GF
  • 277,200 = 33rd highly composite number
  • 279,841 = 234
  • 279,936 = 67
  • 280,859 = a prime number whose square 78881777881 is tridigital
  • 283,086 = number of primes with distinct digits, the largest being 987,654,103
  • 291,400 = number of non-equivalent ways of expressing 100,000,000 as the sum of two prime numbers
  • 293,547 = Wedderburn–Etherington number
  • 294,001 = smallest weakly prime number in base 10
  • 294,685 = Markov number
  • 298,320 = Keith number

    300,000 to 399,999

  • 310,572 = Motzkin number
  • 314,159 = pi-prime
  • 316,749 = number of reduced trees with 27 nodes
  • 317,811 = Fibonacci number
  • 317,955 = number of trees with 19 unlabeled nodes
  • 318,682 = Kaprekar number
  • 325,878 = Fine number
  • 326,981 = alternating factorial
  • 329,967 = Kaprekar number
  • 331,776 = 244
  • 332,640 = 34th highly composite number; harmonic divisor number
  • 333,333 = repdigit
  • 333,667 = sexy prime and unique prime
  • 333,673 = sexy prime with 333,679
  • 333,679 = sexy prime with 333,673
  • 337,500 = 22 × 33 × 55
  • 337,594 = number of 25-bead necklaces where complements are equivalent
  • 349,716 = number of 24-bead binary necklaces with beads of 2 colors where the colors may be swapped but turning over is not allowed
  • 350,377 = the 30,000th prime number
  • 351,351 = only known odd abundant number that is not the sum of some of its proper, nontrivial divisors.
  • 351,352 = Kaprekar number
  • 355,419 = Keith number
  • 356,643 = Kaprekar number
  • 356,960 = number of primitive polynomials of degree 23 over GF
  • 360,360 = harmonic divisor number; smallest number divisible by the numbers from 1 to 15
  • 362,880 = 9!, highly totient number
  • 369,119 = prime number which divides the sum of all primes less than or equal to it
  • 369,293 = smallest prime with the property that inserting a digit anywhere in the number will always yield a composite
  • 370,261 = first prime followed by a prime gap of over 100
  • 371,293 = 135, palindromic in base 12
  • 389,305 = self-descriptive number in base 7
  • 390,313 = Kaprekar number
  • 390,625 = 58
  • 397,585 = Leyland number