Compare 3947 vs 4919
| Property | 3947 | 4919 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 39471 | 49191 |
| Prime factorization | 3947 | 4919 |
| Divisors count | 2 | 2 |
| Divisors | 1, 3947 | 1, 4919 |
| Number of properties | 8 | 5 |
| Additive primes | 280th | 332nd |
| Chen primes | 319th | |
| Cousin primes (2nd member) | 108th | |
| Isolated primes | 343rd | 410th |
| Left-truncatable primes | 87th | |
| Primes | 548th | 657th |
| Restricted left-truncatable primes | 5th | |
| Safe primes | 60th | 72nd |
| Sophie germain primes | 114th | |
| Roman numberals | MMMCMXLVII | MMMMCMXIX |
| Base 2 | 1111011010112 | 10011001101112 |
| Base 3 | 121020123 | 202020123 |
| Base 4 | 3312234 | 10303134 |
| Base 5 | 1112425 | 1241345 |
| Base 6 | 301356 | 344356 |
| Base 7 | 143367 | 202257 |
| Base 8 | 75538 | 114678 |
| Base 9 | 53659 | 66659 |
| Base 10 | 394710 | 491910 |
| Base 11 | 2a6911 | 377211 |
| Base 12 | 234b12 | 2a1b12 |
| Base 13 | 1a4813 | 231513 |
| Base 14 | 161d14 | 1b1514 |
| Base 15 | 128215 | 16ce15 |
| Base 16 | f6b16 | 133716 |