Compare 149 vs 156

Property149156
Typeprimecomposite number
Unique factors13
Total factors14
Prime factorization149122 × 31 × 131
Prime factorization1492 × 2 × 3 × 13
Divisors count212
Divisors1, 1491, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156
Number of properties80
Chen primes29th 
Emirps11th 
Good primes14th 
Harmonic primes12th 
Long primes13th 
Primes35th 
Pythagorean primes16th 
Twin primes (1st member)12th 
Roman numberalsCXLIXCLVI
Base 2100101012100111002
Base 3121123122103
Base 42111421304
Base 51044511115
Base 640564206
Base 730273127
Base 822582348
Base 917591839
Base 101491015610
Base 111261113211
Base 121051211012
Base 13b613c013
Base 14a914b214
Base 159e15a615
Base 1695169c16
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