Compare 172980 vs 172987
| Property | 172980 | 172987 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 4 | 1 |
| Total factors | 7 | 1 |
| Prime factorization | 22 × 32 × 51 × 312 | 1729871 |
| Prime factorization | 2 × 2 × 3 × 3 × 5 × 31 × 31 | 172987 |
| Divisors count | 54 | 2 |
| Divisors | 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 961, 1116, 1395, 1860, 1922, 2790, 2883, 3844, 4805, 5580, 5766, 8649, 9610, 11532, 14415, 17298, 19220, 28830, 34596, 43245, 57660, 86490, 172980 | 1, 172987 |
| Number of properties | 0 | 8 |
| Harmonic primes | 5902nd | |
| Isolated primes | 11949th | |
| Primes | 15752nd | |
| Sexy primes (1st member) | 3802nd | |
| Sexy primes (2nd member) | 3801st | |
| Sexy prime quadrupletss (2nd member) | 102nd | |
| Sexy prime triplets (1st member) | 779th | |
| Sexy prime triplets (2nd member) | 778th | |
| Roman numberals | ||
| Base 2 | 1010100011101101002 | 1010100011101110112 |
| Base 3 | 222100212003 | 222100212213 |
| Base 4 | 2220323104 | 2220323234 |
| Base 5 | 210134105 | 210134225 |
| Base 6 | 34125006 | 34125116 |
| Base 7 | 13202137 | 13202237 |
| Base 8 | 5216648 | 5216738 |
| Base 9 | 2832509 | 2832579 |
| Base 10 | 17298010 | 17298710 |
| Base 11 | 108a6511 | 108a7111 |
| Base 12 | 8413012 | 8413712 |
| Base 13 | 6097213 | 6097913 |
| Base 14 | 4707a14 | 4708314 |
| Base 15 | 363c015 | 363c715 |
| Base 16 | 2a3b416 | 2a3bb16 |