Compare 631 vs 642
Property | 631 | 642 |
---|---|---|
Type | prime | composite number |
Unique factors | 1 | 3 |
Total factors | 1 | 3 |
Prime factorization | 6311 | 21 × 31 × 1071 |
Prime factorization | 631 | 2 × 3 × 107 |
Divisors count | 2 | 8 |
Divisors | 1, 631 | 1, 2, 3, 6, 107, 214, 321, 642 |
Number of properties | 6 | 0 |
Centered triangular primes | 7th | |
Chen primes | 80th | |
Cuban primes 1 | 10th | |
Isolated primes | 60th | |
Lucky primes | 32nd | |
Primes | 115th | |
Roman numberals | DCXXXI | DCXLII |
Base 2 | 10011101112 | 10100000102 |
Base 3 | 2121013 | 2122103 |
Base 4 | 213134 | 220024 |
Base 5 | 100115 | 100325 |
Base 6 | 25316 | 25506 |
Base 7 | 15617 | 16057 |
Base 8 | 11678 | 12028 |
Base 9 | 7719 | 7839 |
Base 10 | 63110 | 64210 |
Base 11 | 52411 | 53411 |
Base 12 | 44712 | 45612 |
Base 13 | 39713 | 3a513 |
Base 14 | 33114 | 33c14 |
Base 15 | 2c115 | 2cc15 |
Base 16 | 27716 | 28216 |