Compare 1 vs 5

Typecomposite numberprime
Unique factors01
Total factors01
Prime factorization51
Prime factorization5
Divisors count12
Divisors11, 5
Number of properties036
Additive primes 3rd
Bell primes 2nd
Centered square primes 1st
Chen primes 3rd
Class 1+ primes 3rd
Dihedral primes 2nd
Factorial primes 3rd
Fermat primes 2nd
Fibonacci primes 3rd
Good primes 1st
Harmonic primes 1st
Left-truncatable primes 3rd
Multiplicative primes 3rd
Palindromic primes 3rd
Pierpont primes 3rd
Pierpont primes of the 2nd kind 3rd
Primes 3rd
Prime quadruplets (1st member) 1st
Prime quintuplet 2s (1st member) 1st
Prime triplets (1st member) 1st
Proth primes 2nd
Pythagorean primes 1st
Restricted left-truncatable primes 2nd
Right-truncatable primes 3rd
Safe primes 1st
Sexy primes (1st member) 1st
Sexy prime quadrupletss (1st member) 1st
Sexy prime triplets (1st member) 1st
Solinas primes 2nd
Sophie germain primes 3rd
Super primes 2nd
Thabit primes 2nd
Twin primes (1st member) 2nd
Twin primes (2nd member) 1st
Two-sided primes 3rd
Wilson primes 1st
Roman numberalsIV
Base 2121012
Base 313123
Base 414114
Base 515105
Base 61656
Base 71757
Base 81858
Base 91959
Base 10110510
Base 11111511
Base 12112512
Base 13113513
Base 14114514
Base 15115515
Base 16116516
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