Compare 398 vs 409
Property | 398 | 409 |
---|---|---|
Type | semiprime | prime |
Unique factors | 2 | 1 |
Total factors | 2 | 1 |
Prime factorization | 21 × 1991 | 4091 |
Prime factorization | 2 × 199 | 409 |
Divisors count | 4 | 2 |
Divisors | 1, 2, 199, 398 | 1, 409 |
Number of properties | 1 | 9 |
Additive primes | 47th | |
Centered triangular primes | 5th | |
Chen primes | 57th | |
Happy primes | 22nd | |
Isolated primes | 39th | |
Lucky primes | 22nd | |
Primes | 80th | |
Pythagorean primes | 39th | |
Semiprimes | 126th | |
Ulam primes | 11th | |
Roman numberals | CCCXCVIII | CDIX |
Base 2 | 1100011102 | 1100110012 |
Base 3 | 1122023 | 1200113 |
Base 4 | 120324 | 121214 |
Base 5 | 30435 | 31145 |
Base 6 | 15026 | 15216 |
Base 7 | 11067 | 11237 |
Base 8 | 6168 | 6318 |
Base 9 | 4829 | 5049 |
Base 10 | 39810 | 40910 |
Base 11 | 33211 | 34211 |
Base 12 | 29212 | 2a112 |
Base 13 | 24813 | 25613 |
Base 14 | 20614 | 21314 |
Base 15 | 1b815 | 1c415 |
Base 16 | 18e16 | 19916 |