Compare 661 vs 4651
Property | 661 | 4651 |
---|---|---|
Type | prime | prime |
Unique factors | 1 | 1 |
Total factors | 1 | 1 |
Prime factorization | 6611 | 46511 |
Prime factorization | 661 | 4651 |
Divisors count | 2 | 2 |
Divisors | 1, 661 | 1, 4651 |
Number of properties | 5 | 6 |
Additive primes | 65th | |
Centered decagonal primes | 8th | 20th |
Long primes | 248th | |
Primes | 121st | 629th |
Pythagorean primes | 57th | |
Sexy primes (1st member) | 229th | |
Sexy prime triplets (1st member) | 78th | |
Twin primes (2nd member) | 30th | 121st |
Roman numberals | DCLXI | MMMMDCLI |
Base 2 | 10100101012 | 10010001010112 |
Base 3 | 2201113 | 201010213 |
Base 4 | 221114 | 10202234 |
Base 5 | 101215 | 1221015 |
Base 6 | 30216 | 333116 |
Base 7 | 16337 | 163637 |
Base 8 | 12258 | 110538 |
Base 9 | 8149 | 63379 |
Base 10 | 66110 | 465110 |
Base 11 | 55111 | 354911 |
Base 12 | 47112 | 283712 |
Base 13 | 3bb13 | 216a13 |
Base 14 | 35314 | 19a314 |
Base 15 | 2e115 | 15a115 |
Base 16 | 29516 | 122b16 |