Compare 166140 vs 166151
| Property | 166140 | 166151 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 5 | 1 |
| Total factors | 7 | 1 |
| Prime factorization | 22 × 32 × 51 × 131 × 711 | 1661511 |
| Prime factorization | 2 × 2 × 3 × 3 × 5 × 13 × 71 | 166151 |
| Divisors count | 72 | 2 |
| Divisors | 1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 71, 78, 90, 117, 130, 142, 156, 180, 195, 213, 234, 260, 284, 355, 390, 426, 468, 585, 639, 710, 780, 852, 923, 1065, 1170, 1278, 1420, 1846, 2130, 2340, 2556, 2769, 3195, 3692, 4260, 4615, 5538, 6390, 8307, 9230, 11076, 12780, 13845, 16614, 18460, 27690, 33228, 41535, 55380, 83070, 166140 | 1, 166151 |
| Number of properties | 0 | 7 |
| Chen primes | 6453rd | |
| Cousin primes (2nd member) | 1830th | |
| Happy primes | 2354th | |
| Isolated primes | 11478th | |
| Primes | 15183rd | |
| Sexy primes (1st member) | 3673rd | |
| Sophie germain primes | 1769th | |
| Roman numberals | ||
| Base 2 | 1010001000111111002 | 1010001001000001112 |
| Base 3 | 221022201003 | 221022202023 |
| Base 4 | 2202033304 | 2202100134 |
| Base 5 | 203040305 | 203041015 |
| Base 6 | 33211006 | 33211156 |
| Base 7 | 12612427 | 12612567 |
| Base 8 | 5043748 | 5044078 |
| Base 9 | 2728109 | 2728229 |
| Base 10 | 16614010 | 16615110 |
| Base 11 | 10390711 | 10391711 |
| Base 12 | 8019012 | 8019b12 |
| Base 13 | 5a81013 | 5a81b13 |
| Base 14 | 4479214 | 4479d14 |
| Base 15 | 3436015 | 3436b15 |
| Base 16 | 288fc16 | 2890716 |