80,000


80,000 is the natural number after 79,999 and before 80,001.

Selected numbers in the range 80,000–89,999

80,000 = Since January 2024, the daily URL save limit for YouTube for the Wayback Machine80,782 = Pell number P1481,081 = smallest abundant number ending in 1, 3, 7, or 981,181 = number of reduced trees with 25 nodes82,000 = the only currently known number greater than 1 that can be written in bases from 2 through 5 using only 0s and 1s.82,025 = number of primes.82,467 = number of square -matrices without zero rows and with exactly 6 entries equal to 182,656 = Kaprekar number: 826562 = 6832014336; 68320 + 14336 = 8265682,944 = 3-smooth number: 210 × 3483,097 = Riordan number83,160 = the 29th highly composite number83,357 = Friedman prime83,521 = 17484,187 – number of parallelogram polyominoes with 15 cells.84,375 = 33×5584,672 = number of primitive polynomials of degree 21 over GF85,085 = product of five consecutive primes: 5 × 7 × 11 × 13 × 1785,184 = 44386,400 = seconds in a day: 24 × 60 × 60 and common DNS default time to live87,360 = unitary perfect number88,789 = the start of a prime 9-tuple, along with 88793, 88799, 88801, 88807, 88811, 88813, 88817, and 88819.88,888 = repdigit89,134 = number of partitions of 45

Primes

There are 876 prime numbers between 80000 and 90000.