Compare 2947 vs 2953
| Property | 2947 | 2953 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 71 × 4211 | 29531 |
| Prime factorization | 7 × 421 | 2953 |
| Divisors count | 4 | 2 |
| Divisors | 1, 7, 421, 2947 | 1, 2953 |
| Number of properties | 1 | 7 |
| Additive primes | 219th | |
| Cousin primes (1st member) | 87th | |
| Isolated primes | 266th | |
| Left-truncatable primes | 72nd | |
| Lucky primes | 89th | |
| Primes | 425th | |
| Pythagorean primes | 209th | |
| Semiprimes | 823rd | |
| Roman numberals | MMCMXLVII | MMCMLIII |
| Base 2 | 1011100000112 | 1011100010012 |
| Base 3 | 110010113 | 110011013 |
| Base 4 | 2320034 | 2320214 |
| Base 5 | 432425 | 433035 |
| Base 6 | 213516 | 214016 |
| Base 7 | 114107 | 114167 |
| Base 8 | 56038 | 56118 |
| Base 9 | 40349 | 40419 |
| Base 10 | 294710 | 295310 |
| Base 11 | 223a11 | 224511 |
| Base 12 | 185712 | 186112 |
| Base 13 | 145913 | 146213 |
| Base 14 | 110714 | 110d14 |
| Base 15 | d1715 | d1d15 |
| Base 16 | b8316 | b8916 |