Compare 313 vs 315

Property313315
Typeprimecomposite number
Unique factors13
Total factors14
Prime factorization313132 × 51 × 71
Prime factorization3133 × 3 × 5 × 7
Divisors count212
Divisors1, 3131, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315
Number of properties150
Additive primes37th 
Centered square primes7th 
Cousin primes (1st member)19th 
Happy primes16th 
Left-truncatable primes23rd 
Long primes24th 
Palindromic primes11th 
Primes65th 
Prime triplets (2nd member)19th 
Prime triplets (3rd member)18th 
Pythagorean primes30th 
Right-truncatable primes18th 
Sexy primes (2nd member)35th 
Twin primes (2nd member)20th 
Two-sided primes9th 
Roman numberalsCCCXIIICCCXV
Base 210011100121001110112
Base 310212131022003
Base 4103214103234
Base 52223522305
Base 61241612436
Base 762576307
Base 847184738
Base 937793809
Base 103131031510
Base 112651126711
Base 122211222312
Base 131b1131b313
Base 141851418714
Base 1515d1516015
Base 161391613b16
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