Compare 641 vs 650
| Property | 641 | 650 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 4 |
| Prime factorization | 6411 | 21 × 52 × 131 |
| Prime factorization | 641 | 2 × 5 × 5 × 13 |
| Divisors count | 2 | 12 |
| Divisors | 1, 641 | 1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650 |
| Number of properties | 14 | 0 |
| Additive primes | 62nd | |
| Chen primes | 81st | |
| Good primes | 35th | |
| Primes | 116th | |
| Prime triplets (1st member) | 24th | |
| Proth primes | 14th | |
| Pythagorean primes | 55th | |
| Quartan primes | 6th | |
| Sexy primes (1st member) | 57th | |
| Sexy prime quadrupletss (1st member) | 7th | |
| Sexy prime triplets (1st member) | 24th | |
| Solinas primes | 41st | |
| Sophie germain primes | 28th | |
| Twin primes (1st member) | 29th | |
| Roman numberals | DCXLI | DCL |
| Base 2 | 10100000012 | 10100010102 |
| Base 3 | 2122023 | 2200023 |
| Base 4 | 220014 | 220224 |
| Base 5 | 100315 | 101005 |
| Base 6 | 25456 | 30026 |
| Base 7 | 16047 | 16167 |
| Base 8 | 12018 | 12128 |
| Base 9 | 7829 | 8029 |
| Base 10 | 64110 | 65010 |
| Base 11 | 53311 | 54111 |
| Base 12 | 45512 | 46212 |
| Base 13 | 3a413 | 3b013 |
| Base 14 | 33b14 | 34614 |
| Base 15 | 2cb15 | 2d515 |
| Base 16 | 28116 | 28a16 |