Compare 641 vs 650

Property641650
Typeprimecomposite number
Unique factors13
Total factors14
Prime factorization641121 × 52 × 131
Prime factorization6412 × 5 × 5 × 13
Divisors count212
Divisors1, 6411, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650
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 numberalsDCXLIDCL
Base 21010000001210100010102
Base 321220232200023
Base 4220014220224
Base 5100315101005
Base 62545630026
Base 71604716167
Base 81201812128
Base 978298029
Base 106411065010
Base 115331154111
Base 124551246212
Base 133a4133b013
Base 1433b1434614
Base 152cb152d515
Base 162811628a16
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