Compare 140 vs 151
| Property | 140 | 151 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 22 × 51 × 71 | 1511 |
| Prime factorization | 2 × 2 × 5 × 7 | 151 |
| Divisors count | 12 | 2 |
| Divisors | 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140 | 1, 151 |
| Number of properties | 0 | 9 |
| Additive primes | 20th | |
| Centered decagonal primes | 5th | |
| Lucky primes | 11th | |
| Multiplicative primes | 11th | |
| Palindromic primes | 8th | |
| Primes | 36th | |
| Sexy primes (1st member) | 21st | |
| Sexy prime triplets (1st member) | 12th | |
| Twin primes (2nd member) | 12th | |
| Roman numberals | CXL | CLI |
| Base 2 | 100011002 | 100101112 |
| Base 3 | 120123 | 121213 |
| Base 4 | 20304 | 21134 |
| Base 5 | 10305 | 11015 |
| Base 6 | 3526 | 4116 |
| Base 7 | 2607 | 3047 |
| Base 8 | 2148 | 2278 |
| Base 9 | 1659 | 1779 |
| Base 10 | 14010 | 15110 |
| Base 11 | 11811 | 12811 |
| Base 12 | b812 | 10712 |
| Base 13 | aa13 | b813 |
| Base 14 | a014 | ab14 |
| Base 15 | 9515 | a115 |
| Base 16 | 8c16 | 9716 |