Compare 66947 vs 72647
| Property | 66947 | 72647 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 669471 | 726471 |
| Prime factorization | 66947 | 72647 |
| Divisors count | 2 | 2 |
| Divisors | 1, 66947 | 1, 72647 |
| Number of properties | 6 | 8 |
| Chen primes | 3051st | 3274th |
| Cousin primes (2nd member) | 877th | 933rd |
| Harmonic primes | 2715th | |
| Left-truncatable primes | 265th | 276th |
| Long primes | 2737th | |
| Primes | 6671st | 7183rd |
| Prime triplets (2nd member) | 373rd | 397th |
| Twin primes (1st member) | 874th | 940th |
| Roman numberals | ||
| Base 2 | 100000101100000112 | 100011011110001112 |
| Base 3 | 101012111123 | 102001221223 |
| Base 4 | 1001120034 | 1012330134 |
| Base 5 | 41202425 | 43110425 |
| Base 6 | 12335356 | 13201556 |
| Base 7 | 3661167 | 4215417 |
| Base 8 | 2026038 | 2157078 |
| Base 9 | 1117459 | 1205789 |
| Base 10 | 6694710 | 7264710 |
| Base 11 | 4633111 | 4a64311 |
| Base 12 | 328ab12 | 3605b12 |
| Base 13 | 2461a13 | 270b313 |
| Base 14 | 1a57d14 | 1c69114 |
| Base 15 | 14c8215 | 167d215 |
| Base 16 | 1058316 | 11bc716 |