Compare 151 vs 313

Unique factors11
Total factors11
Prime factorization15113131
Prime factorization151313
Divisors count22
Divisors1, 1511, 313
Number of properties915
Additive primes20th37th
Centered decagonal primes5th 
Centered square primes 7th
Cousin primes (1st member) 19th
Happy primes 16th
Left-truncatable primes 23rd
Long primes 24th
Lucky primes11th 
Multiplicative primes11th 
Palindromic primes8th11th
Prime triplets (2nd member) 19th
Prime triplets (3rd member) 18th
Pythagorean primes 30th
Right-truncatable primes 18th
Sexy primes (1st member)21st 
Sexy primes (2nd member) 35th
Sexy prime triplets (1st member)12th 
Twin primes (2nd member)12th20th
Two-sided primes 9th
Roman numberalsCLICCCXIII
Base 21001011121001110012
Base 31212131021213
Base 421134103214
Base 51101522235
Base 6411612416
Base 730476257
Base 822784718
Base 917793779
Base 101511031310
Base 111281126511
Base 121071222112
Base 13b8131b113
Base 14ab1418514
Base 15a11515d15
Base 16971613916
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