Compare 1 vs 13

Typecomposite numberprime
Unique factors01
Total factors01
Prime factorization131
Prime factorization13
Divisors count12
Divisors11, 13
Number of properties032
Centered square primes 2nd
Chen primes 6th
Cousin primes (1st member) 3rd
Cuban primes 2 1st
Emirps 1st
Fibonacci primes 4th
Happy primes 2nd
Harmonic primes 2nd
Left-truncatable primes 5th
Lucky primes 3rd
Multiplicative primes 5th
Pierpont primes 5th
Primes 6th
Prime quadruplets (2nd member) 2nd
Prime quadruplets (4th member) 1st
Prime quintuplet 1s (3rd member) 1st
Prime quintuplet 2s (2nd member) 2nd
Prime quintuplet 2s (4th member) 1st
Prime sextuplets (3rd member) 1st
Prime triplets (1st member) 4th
Prime triplets (2nd member) 3rd
Prime triplets (3rd member) 2nd
Proth primes 3rd
Pythagorean primes 2nd
Sexy primes (1st member) 4th
Sexy primes (2nd member) 2nd
Sexy prime triplets (2nd member) 2nd
Solinas primes 5th
Thabit primes of the 2nd kind 2nd
Twin primes (2nd member) 3rd
Ulam primes 4th
Wilson primes 2nd
Roman numberalsIXIII
Base 21211012
Base 3131113
Base 414314
Base 515235
Base 616216
Base 717167
Base 818158
Base 919149
Base 101101310
Base 111111211
Base 121121112
Base 131131013
Base 14114d14
Base 15115d15
Base 16116d16
This website uses cookies to ensure you get the best experience on our website. More info