Compare 20961 vs 20963
| Property | 20961 | 20963 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 32 × 171 × 1371 | 209631 |
| Prime factorization | 3 × 3 × 17 × 137 | 20963 |
| Divisors count | 12 | 2 |
| Divisors | 1, 3, 9, 17, 51, 137, 153, 411, 1233, 2329, 6987, 20961 | 1, 20963 |
| Number of properties | 0 | 5 |
| Cousin primes (2nd member) | 357th | |
| Happy primes | 390th | |
| Isolated primes | 1647th | |
| Primes | 2358th | |
| Sophie germain primes | 341st | |
| Roman numberals | ||
| Base 2 | 1010001111000012 | 1010001111000112 |
| Base 3 | 10012021003 | 10012021023 |
| Base 4 | 110132014 | 110132034 |
| Base 5 | 11323215 | 11323235 |
| Base 6 | 2410136 | 2410156 |
| Base 7 | 1150537 | 1150557 |
| Base 8 | 507418 | 507438 |
| Base 9 | 316709 | 316729 |
| Base 10 | 2096110 | 2096310 |
| Base 11 | 1482611 | 1482811 |
| Base 12 | 1016912 | 1016b12 |
| Base 13 | 970513 | 970713 |
| Base 14 | 78d314 | 78d514 |
| Base 15 | 632615 | 632815 |
| Base 16 | 51e116 | 51e316 |