Compare 151 vs 409
| Property | 151 | 409 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1511 | 4091 |
| Prime factorization | 151 | 409 |
| Divisors count | 2 | 2 |
| Divisors | 1, 151 | 1, 409 |
| Number of properties | 9 | 9 |
| Additive primes | 20th | 47th |
| Centered decagonal primes | 5th | |
| Centered triangular primes | 5th | |
| Chen primes | 57th | |
| Happy primes | 22nd | |
| Isolated primes | 39th | |
| Lucky primes | 11th | 22nd |
| Multiplicative primes | 11th | |
| Palindromic primes | 8th | |
| Primes | 36th | 80th |
| Pythagorean primes | 39th | |
| Sexy primes (1st member) | 21st | |
| Sexy prime triplets (1st member) | 12th | |
| Twin primes (2nd member) | 12th | |
| Ulam primes | 11th | |
| Roman numberals | CLI | CDIX |
| Base 2 | 100101112 | 1100110012 |
| Base 3 | 121213 | 1200113 |
| Base 4 | 21134 | 121214 |
| Base 5 | 11015 | 31145 |
| Base 6 | 4116 | 15216 |
| Base 7 | 3047 | 11237 |
| Base 8 | 2278 | 6318 |
| Base 9 | 1779 | 5049 |
| Base 10 | 15110 | 40910 |
| Base 11 | 12811 | 34211 |
| Base 12 | 10712 | 2a112 |
| Base 13 | b813 | 25613 |
| Base 14 | ab14 | 21314 |
| Base 15 | a115 | 1c415 |
| Base 16 | 9716 | 19916 |