60000 (number) - Selected Numbers

Selected Numbers

• 60000 – round number
• 60049 – Leyland number
• 62210 – Markov number
• 62745 – Carmichael number
• 63020 – amicable number with 76084
• 63360 – inches in a mile
• 63750 – pentagonal pyramidal number
• 63973 – Carmichael number
• 64009 – sum of the cubes of the first 22 positive integers
• 65023 – Carol number
• 65279 – Unicode code point for byte order mark
• 65534 – Unicode code point guaranteed not to be a character
• 65535 – largest value for an unsigned 16-bit integer on a computer.
• 65536 –, also 2↑↑4 using Knuth's up-arrow notation, smallest integer with exactly 17 divisors.
• 65537 – Fermat prime
• 65539 – the 6544th prime number, and both 6544 and 65539 have digital root of 1; a regular prime; a larger member of a twin prime pair; a smaller member of a cousin prime pair; a happy prime; a weak prime; a middle member of a prime triplet, (65537, 65539, 65543); a middle member of a three-term primes in arithmetic progression, (65521, 65539, 65557).
• 65792 – Leyland number
• 66012 – tribonacci number
• 66047 – Kynea number
• 66198 – Giuga number
• 67607 – largest of six remaining Seventeen or Bust numbers in the Sierpinski problem
• 67626 – pentagonal pyramidal number
• 68000 – processor used in Apple Macintosh computers before PowerPC (also 68k processor family)
• 68008 – processor used in Sinclair QL computer
• 68020 – processor used in Apple Macintosh computers before PowerPC
• 68030 – processor used in Apple Macintosh computers before PowerPC
• 68040 – processor used in Apple Macintosh computers before PowerPC
• 68881 – math coprocessor used in with 68020 and 68030
• 68882 – math coprocessor used in with 68020 and 68030
• 69105 – Infocom in-joke
• 69632 – Leyland number
• 69696 – square of 264; only known palindromic square that can be expressed as the sum of a pair of twin primes: 69696 = 34847 + 34849.