Compare 121992 vs 121997
| Property | 121992 | 121997 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 5 | 1 |
| Total factors | 7 | 1 |
| Prime factorization | 23 × 31 × 131 × 171 × 231 | 1219971 |
| Prime factorization | 2 × 2 × 2 × 3 × 13 × 17 × 23 | 121997 |
| Divisors count | 64 | 2 |
| Divisors | 1, 2, 3, 4, 6, 8, 12, 13, 17, 23, 24, 26, 34, 39, 46, 51, 52, 68, 69, 78, 92, 102, 104, 136, 138, 156, 184, 204, 221, 276, 299, 312, 391, 408, 442, 552, 598, 663, 782, 884, 897, 1173, 1196, 1326, 1564, 1768, 1794, 2346, 2392, 2652, 3128, 3588, 4692, 5083, 5304, 7176, 9384, 10166, 15249, 20332, 30498, 40664, 60996, 121992 | 1, 121997 |
| Number of properties | 0 | 8 |
| Additive primes | 4722nd | |
| Chen primes | 4978th | |
| Cousin primes (2nd member) | 1430th | |
| Isolated primes | 8594th | |
| Left-truncatable primes | 348th | |
| Primes | 11475th | |
| Pythagorean primes | 5707th | |
| Restricted left-truncatable primes | 32nd | |
| Roman numberals | ||
| Base 2 | 111011100100010002 | 111011100100011012 |
| Base 3 | 200121000203 | 200121001023 |
| Base 4 | 1313020204 | 1313020314 |
| Base 5 | 124004325 | 124004425 |
| Base 6 | 23404406 | 23404456 |
| Base 7 | 10154437 | 10154517 |
| Base 8 | 3562108 | 3562158 |
| Base 9 | 2053069 | 2053129 |
| Base 10 | 12199210 | 12199710 |
| Base 11 | 8372211 | 8372711 |
| Base 12 | 5a72012 | 5a72512 |
| Base 13 | 436b013 | 436b513 |
| Base 14 | 3265a14 | 3266114 |
| Base 15 | 2622c15 | 2623215 |
| Base 16 | 1dc8816 | 1dc8d16 |