1. Numbers
  2. Compare 421 vs 557

Compare 421 vs 557

Property421557
Typeprimeprime
Unique factors11
Total factors11
Prime factorization42115571
Prime factorization421557
Divisors count22
Divisors1, 4211, 557
Number of properties69
Additive primes48th55th
Centered square primes8th 
Chen primes 72nd
Good primes 29th
Harmonic primes 43rd
Isolated primes 53rd
Lucky primes23rd 
Primes82nd102nd
Pythagorean primes40th48th
Sexy primes (1st member) 49th
Sexy prime triplets (1st member) 20th
Twin primes (2nd member)22nd 
Roman numberalsCDXXIDLVII
Base 2110100101210001011012
Base 312012132021223
Base 4122114202314
Base 53141542125
Base 61541623256
Base 71141714247
Base 8645810558
Base 951796789
Base 104211055710
Base 113531146711
Base 122b1123a512
Base 132651333b13
Base 14221142bb14
Base 151d11527215
Base 161a51622d16
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