1. Numbers
  2. Compare 557 vs 561

Compare 557 vs 561

Property557561
Typeprimecomposite number
Unique factors13
Total factors13
Prime factorization557131 × 111 × 171
Prime factorization5573 × 11 × 17
Divisors count28
Divisors1, 5571, 3, 11, 17, 33, 51, 187, 561
Number of properties90
Additive primes55th 
Chen primes72nd 
Good primes29th 
Harmonic primes43rd 
Isolated primes53rd 
Primes102nd 
Pythagorean primes48th 
Sexy primes (1st member)49th 
Sexy prime triplets (1st member)20th 
Roman numberalsDLVIIDLXI
Base 21000101101210001100012
Base 320212232022103
Base 4202314203014
Base 54212542215
Base 62325623336
Base 71424714317
Base 81055810618
Base 967896839
Base 105571056110
Base 114671147011
Base 123a5123a912
Base 1333b1334213
Base 142bb142c114
Base 152721527615
Base 1622d1623116
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