300 (number)
300 is the natural number following 299 and preceding 301.
In mathematics
300 is a composite number and the 24th triangular number. It is also a second hexagonal number.Integers from 301 to 399
300s
301
302
303
304
305
306
307
308
309
310s
310
311
312
313
314
315
316
316 = 22 × 79, a centered triangular number and a centered heptagonal number.317
317 is the smallest natural number that does not have its own Wikipedia article, a fact that has itself been noted as making the number notable, creating a situation similar to the interesting number paradox.317 is a prime number, Eisenstein prime with no imaginary part, Chen prime, one of the rare primes to be both right and left-truncatable, and a strictly non-palindromic number.
317 is the exponent in the fourth base-10 repunit prime.
318
319
319 = 11 × 29. 319 is the sum of three consecutive primes, Smith number, cannot be represented as the sum of fewer than 19 fourth powers, happy number in base 10320s
320
320 = 26 × 5 = ×. 320 is a Leyland number, and maximum determinant of a 10 by 10 matrix of zeros and ones.321
321 = 3 × 107, a Delannoy number322
322 = 2 × 7 × 23. 322 is a sphenic, nontotient, untouchable, and a Lucas number. It is also the first unprimeable number to end in 2.323
324
324 = 22 × 34 = 182. 324 is the sum of four consecutive primes, totient sum of the first 32 integers, a square number, and an untouchable number.325
326
326 = 2 × 163. 326 is a nontotient, noncototient, and an untouchable number. 326 is the sum of the 14 consecutive primes, lazy caterer number327
327 = 3 × 109. 327 is a perfect totient number, number of compositions of 10 whose run-lengths are either weakly increasing or weakly decreasing328
328 = 23 × 41. 328 is a refactorable number, and it is the sum of the first fifteen primes.329
329 = 7 × 47. 329 is the sum of three consecutive primes, and a cototient number">Euler's totient function">cototient number.330s
330
330 = 2 × 3 × 5 × 11. 330 is sum of six consecutive primes, pentatope number, a pentagonal number, divisible by the number of primes below it, and a sparsely totient number.331
331 is a prime number, super-prime, cuban prime, a lucky prime, sum of five consecutive primes, centered pentagonal number, centered hexagonal number, and Mertens function returns 0.332
332 = 22 × 83, Mertens function returns 0.333
333 = 32 × 37, Mertens function returns 0; repdigit; 2333 is the smallest power of two greater than a googol.334
334 = 2 × 167, nontotient.335
335 = 5 × 67. 335 is divisible by the number of primes below it, number of Lyndon words of length 12.336
336 = 24 × 3 × 7, untouchable number, number of partitions of 41 into prime parts, composite number">Composite number">composite number.337
337, prime number, emirp, permutable prime with 373 and 733, Chen prime, star number338
338 = 2 × 132, nontotient, number of square -matrices without zero rows and with exactly 4 entries equal to 1.339
339 = 3 × 113, Ulam number340s
340
340 = 22 × 5 × 17, sum of eight consecutive primes, sum of ten consecutive primes, sum of the first four powers of 4, divisible by the number of primes below it, nontotient, noncototient. Number of formed by drawing the line segments connecting any two of the 12 perimeter points of a 3 times 3 grid of squares and.341
342
342 = 2 × 32 × 19, pronic number, Untouchable number.343
343 = 73, the first nice Friedman number that is composite since 343 = 3. It is the only known example of x2+x+1 = y3, in this case, x=18, y=7. It is z3 in a triplet such that x5 + y2 = z3.344
344 = 23 × 43, octahedral number, noncototient, totient sum of the first 33 integers, refactorable number.345
345 = 3 × 5 × 23, sphenic number, idoneal number346
346 = 2 × 173, Smith number, noncototient.348
348 = 22 × 3 × 29, sum of four consecutive primes, refactorable number.349
349, prime number, twin prime, lucky prime, sum of three consecutive primes, 5349 - 4349 is a prime number.350s
350
350 = 2 × 52 × 7 = [Stirling numbers of the second kind|], primitive semiperfect number, divisible by the number of primes below it, nontotient, a truncated icosahedron of frequency 6 has 350 hexagonal faces and 12 pentagonal faces.351
351 = 33 × 13, 26th triangular number, sum of five consecutive primes, member of Padovan sequence and number of compositions of 15 into distinct parts.- The international calling code for Portugal
352
- The international calling code for Luxembourg
353
- The international calling code for Republic of Ireland
354
- The international calling code for Iceland
355
The numerator of the best simplified rational approximation of pi having a denominator of four digits or fewer. This fraction is known as Milü and provides an extremely accurate approximation for pi, being accurate to seven digits.
356
356 = 22 × 89, Mertens function returns 0.357
357 = 3 × 7 × 17, sphenic number.358
358 = 2 × 179, sum of six consecutive primes, Mertens function returns 0, number of ways to partition and then partition each cell into subcells.- The international calling code for Finland
359
360s
360
361
361 = 192. 361 is a centered triangular number, centered octagonal number, centered decagonal number, member of the Mian–Chowla sequence; also the number of positions on a standard 19 x 19 Go board.362
362 = 2 × 181 = σ2: sum of squares of divisors of 19, Mertens function returns 0, nontotient, noncototient.363
364
364 = 22 × 7 × 13, tetrahedral number, sum of twelve consecutive primes, Mertens function returns 0, nontotient.It is a repdigit in base 3, base 9, base 25, base 27, base 51 and base 90, the sum of six consecutive powers of 3, and because it is the twelfth non-zero tetrahedral number.
365
366
366 = 2 × 3 × 61, sphenic number, Mertens function returns 0, noncototient, number of complete partitions of 20, 26-gonal and 123-gonal. Also the number of days in a leap year.367
367 is a prime number, a lucky prime, Perrin number, happy number, prime index prime and a strictly non-palindromic number.368
368 = 24 × 23. It is also a Leyland number.369
370s
370
370 = 2 × 5 × 37, sphenic number, sum of four consecutive primes, nontotient, with 369 part of a Ruth–Aaron pair with only distinct prime factors counted, Base 10 Armstrong number since 33 + 73 + 03 = 370.371
371 = 7 × 53, sum of three consecutive primes, sum of seven consecutive primes, sum of the primes from its least to its greatest prime factor, the next such composite number is 2935561623745, Armstrong number since 33 + 73 + 13 = 371.372
372 = 22 × 3 × 31, sum of eight consecutive primes, noncototient, untouchable number, --> refactorable number.373
373, prime number, balanced prime, one of the rare primes to be both right and left-truncatable, sum of five consecutive primes, sexy prime with 367 and 379, permutable prime with 337 and 733, palindromic prime in 3 consecutive bases: 5658 = 4549 = 37310 and also in base 4: 113114.374
374 = 2 × 11 × 17, sphenic number, nontotient, 3744 + 1 is prime.375
375 = 3 × 53, number of regions in regular 11-gon with all diagonals drawn.376
376 = 23 × 47, pentagonal number, 1-automorphic number, nontotient, refactorable number.377
378
378 = 2 × 33 × 7, 27th triangular number, cake number, hexagonal number, Smith number.379
379 is a prime number, Chen prime, lazy caterer number and a happy number in base 10. It is the sum of the first 15 odd primes. 379! - 1 is prime.380s
380
380 = 22 × 5 × 19, pronic number, number of regions into which a figure made up of a row of 6 adjacent congruent rectangles is divided upon drawing diagonals of all possible rectangles.381
381 = 3 × 127, palindromic in base 2 and base 8.381 is the sum of the first 16 prime numbers.
382
382 = 2 × 191, sum of ten consecutive primes, Smith number.383
383, prime number, safe prime, Woodall prime, Thabit number, Eisenstein prime with no imaginary part, palindromic prime. It is also the first number where the sum of a prime and the reversal of the prime is also a prime. 4383 - 3383 is prime.384
385
385 = 5 × 7 × 11, sphenic number, square pyramidal number, the number of integer partitions of 18.385 = 102 + 92 + 82 + 72 + 62 + 52 + 42 + 32 + 22 + 12