1. Numbers
  2. Compare 641 vs 648

Compare 641 vs 648

Property641648
Typeprimecomposite number
Unique factors12
Total factors17
Prime factorization641123 × 34
Prime factorization6412 × 2 × 2 × 3 × 3 × 3 × 3
Divisors count220
Divisors1, 6411, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648
Number of properties140
Additive primes62nd 
Chen primes81st 
Good primes35th 
Primes116th 
Prime triplets (1st member)24th 
Proth primes14th 
Pythagorean primes55th 
Quartan primes6th 
Sexy primes (1st member)57th 
Sexy prime quadrupletss (1st member)7th 
Sexy prime triplets (1st member)24th 
Solinas primes41st 
Sophie germain primes28th 
Twin primes (1st member)29th 
Roman numberalsDCXLIDCXLVIII
Base 21010000001210100010002
Base 321220232200003
Base 4220014220204
Base 5100315100435
Base 62545630006
Base 71604716147
Base 81201812108
Base 978298009
Base 106411064810
Base 115331153a11
Base 124551246012
Base 133a4133ab13
Base 1433b1434414
Base 152cb152d315
Base 162811628816
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