Compare 661413 vs 661421
Property | 661413 | 661421 |
---|---|---|
Type | semiprime | prime |
Unique factors | 2 | 1 |
Total factors | 2 | 1 |
Prime factorization | 31 × 2204711 | 6614211 |
Prime factorization | 3 × 220471 | 661421 |
Divisors count | 4 | 2 |
Divisors | 1, 3, 220471, 661413 | 1, 661421 |
Number of properties | 1 | 5 |
Cousin primes (2nd member) | 5786th | |
Happy primes | 7610th | |
Isolated primes | 42096th | |
Primes | 53679th | |
Semiprimes | 141526th | |
Sophie germain primes | 5457th | |
Roman numberals | ||
Base 2 | 101000010111101001012 | 101000010111101011012 |
Base 3 | 10201210212103 | 10201210220023 |
Base 4 | 22011322114 | 22011322314 |
Base 5 | 1321311235 | 1321311415 |
Base 6 | 221020336 | 221020456 |
Base 7 | 54232147 | 54232257 |
Base 8 | 24136458 | 24136558 |
Base 9 | 12172539 | 12172629 |
Base 10 | 66141310 | 66142110 |
Base 11 | 411a2511 | 411a3211 |
Base 12 | 27a91912 | 27a92512 |
Base 13 | 1a208c13 | 1a209713 |
Base 14 | 13307b14 | 13308514 |
Base 15 | d0e9315 | d0e9b15 |
Base 16 | a17a516 | a17ad16 |