Compare 1951 vs 1973
| Property | 1951 | 1973 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 19511 | 19731 |
| Prime factorization | 1951 | 1973 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1951 | 1, 1973 |
| Number of properties | 3 | 7 |
| Cuban primes 1 | 14th | |
| Good primes | 61st | |
| Harmonic primes | 111th | |
| Isolated primes | 179th | |
| Primes | 297th | 298th |
| Pythagorean primes | 145th | |
| Sexy primes (1st member) | 126th | |
| Sophie germain primes | 60th | |
| Twin primes (2nd member) | 60th | |
| Roman numberals | MCMLI | MCMLXXIII |
| Base 2 | 111100111112 | 111101101012 |
| Base 3 | 22000213 | 22010023 |
| Base 4 | 1321334 | 1323114 |
| Base 5 | 303015 | 303435 |
| Base 6 | 130116 | 130456 |
| Base 7 | 54557 | 55167 |
| Base 8 | 36378 | 36658 |
| Base 9 | 26079 | 26329 |
| Base 10 | 195110 | 197310 |
| Base 11 | 151411 | 153411 |
| Base 12 | 116712 | 118512 |
| Base 13 | b7113 | b8a13 |
| Base 14 | 9d514 | a0d14 |
| Base 15 | 8a115 | 8b815 |
| Base 16 | 79f16 | 7b516 |