Compare 1947 vs 1951
| Property | 1947 | 1951 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 111 × 591 | 19511 |
| Prime factorization | 3 × 11 × 59 | 1951 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 11, 33, 59, 177, 649, 1947 | 1, 1951 |
| Number of properties | 0 | 3 |
| Cuban primes 1 | 14th | |
| Primes | 297th | |
| Twin primes (2nd member) | 60th | |
| Roman numberals | MCMXLVII | MCMLI |
| Base 2 | 111100110112 | 111100111112 |
| Base 3 | 22000103 | 22000213 |
| Base 4 | 1321234 | 1321334 |
| Base 5 | 302425 | 303015 |
| Base 6 | 130036 | 130116 |
| Base 7 | 54517 | 54557 |
| Base 8 | 36338 | 36378 |
| Base 9 | 26039 | 26079 |
| Base 10 | 194710 | 195110 |
| Base 11 | 151011 | 151411 |
| Base 12 | 116312 | 116712 |
| Base 13 | b6a13 | b7113 |
| Base 14 | 9d114 | 9d514 |
| Base 15 | 89c15 | 8a115 |
| Base 16 | 79b16 | 79f16 |