Compare 172980 vs 172981
| Property | 172980 | 172981 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 4 | 1 |
| Total factors | 7 | 1 |
| Prime factorization | 22 × 32 × 51 × 312 | 1729811 |
| Prime factorization | 2 × 2 × 3 × 3 × 5 × 31 × 31 | 172981 |
| 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, 172981 |
| Number of properties | 0 | 9 |
| Emirps | 3538th | |
| Isolated primes | 11948th | |
| Long primes | 5882nd | |
| Lucky primes | 2035th | |
| Primes | 15751st | |
| Pythagorean primes | 7857th | |
| Sexy primes (1st member) | 3801st | |
| Sexy prime quadrupletss (1st member) | 102nd | |
| Sexy prime triplets (1st member) | 778th | |
| Roman numberals | ||
| Base 2 | 1010100011101101002 | 1010100011101101012 |
| Base 3 | 222100212003 | 222100212013 |
| Base 4 | 2220323104 | 2220323114 |
| Base 5 | 210134105 | 210134115 |
| Base 6 | 34125006 | 34125016 |
| Base 7 | 13202137 | 13202147 |
| Base 8 | 5216648 | 5216658 |
| Base 9 | 2832509 | 2832519 |
| Base 10 | 17298010 | 17298110 |
| Base 11 | 108a6511 | 108a6611 |
| Base 12 | 8413012 | 8413112 |
| Base 13 | 6097213 | 6097313 |
| Base 14 | 4707a14 | 4707b14 |
| Base 15 | 363c015 | 363c115 |
| Base 16 | 2a3b416 | 2a3b516 |