Compare 1951 vs 1955
| Property | 1951 | 1955 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 19511 | 51 × 171 × 231 |
| Prime factorization | 1951 | 5 × 17 × 23 |
| Divisors count | 2 | 8 |
| Divisors | 1, 1951 | 1, 5, 17, 23, 85, 115, 391, 1955 |
| Number of properties | 3 | 0 |
| Cuban primes 1 | 14th | |
| Primes | 297th | |
| Twin primes (2nd member) | 60th | |
| Roman numberals | MCMLI | MCMLV |
| Base 2 | 111100111112 | 111101000112 |
| Base 3 | 22000213 | 22001023 |
| Base 4 | 1321334 | 1322034 |
| Base 5 | 303015 | 303105 |
| Base 6 | 130116 | 130156 |
| Base 7 | 54557 | 54627 |
| Base 8 | 36378 | 36438 |
| Base 9 | 26079 | 26129 |
| Base 10 | 195110 | 195510 |
| Base 11 | 151411 | 151811 |
| Base 12 | 116712 | 116b12 |
| Base 13 | b7113 | b7513 |
| Base 14 | 9d514 | 9d914 |
| Base 15 | 8a115 | 8a515 |
| Base 16 | 79f16 | 7a316 |