Compare 147 vs 151
| Property | 147 | 151 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 2 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 72 | 1511 |
| Prime factorization | 3 × 7 × 7 | 151 |
| Divisors count | 6 | 2 |
| Divisors | 1, 3, 7, 21, 49, 147 | 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 | CXLVII | CLI |
| Base 2 | 100100112 | 100101112 |
| Base 3 | 121103 | 121213 |
| Base 4 | 21034 | 21134 |
| Base 5 | 10425 | 11015 |
| Base 6 | 4036 | 4116 |
| Base 7 | 3007 | 3047 |
| Base 8 | 2238 | 2278 |
| Base 9 | 1739 | 1779 |
| Base 10 | 14710 | 15110 |
| Base 11 | 12411 | 12811 |
| Base 12 | 10312 | 10712 |
| Base 13 | b413 | b813 |
| Base 14 | a714 | ab14 |
| Base 15 | 9c15 | a115 |
| Base 16 | 9316 | 9716 |