Compare 1213 vs 1218

Property12131218
Typeprimecomposite number
Unique factors14
Total factors14
Prime factorization1213121 × 31 × 71 × 291
Prime factorization12132 × 3 × 7 × 29
Divisors count216
Divisors1, 12131, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 174, 203, 406, 609, 1218
Number of properties70
Additive primes106th 
Cousin primes (1st member)45th 
Emirps52nd 
Good primes49th 
Isolated primes117th 
Primes198th 
Pythagorean primes97th 
Roman numberalsMCCXIIIMCCXVIII
Base 2100101111012100110000102
Base 31122221312000103
Base 410233141030024
Base 5143235143335
Base 65341653506
Base 73352733607
Base 82275823028
Base 91587916039
Base 10121310121810
Base 11a0311a0811
Base 128511285612
Base 137241372913
Base 146291463014
Base 1555d1556315
Base 164bd164c216
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