Compare 5 vs 49

Unique factors11
Total factors12
Prime factorization5172
Prime factorization57 × 7
Divisors count23
Divisors1, 51, 7, 49
Number of properties361
Additive primes3rd 
Bell primes2nd 
Centered square primes1st 
Chen primes3rd 
Class 1+ primes3rd 
Dihedral primes2nd 
Factorial primes3rd 
Fermat primes2nd 
Fibonacci primes3rd 
Good primes1st 
Harmonic primes1st 
Left-truncatable primes3rd 
Multiplicative primes3rd 
Palindromic primes3rd 
Pierpont primes3rd 
Pierpont primes of the 2nd kind3rd 
Prime quadruplets (1st member)1st 
Prime quintuplet 2s (1st member)1st 
Prime triplets (1st member)1st 
Proth primes2nd 
Pythagorean primes1st 
Restricted left-truncatable primes2nd 
Right-truncatable primes3rd 
Safe primes1st 
Semiprimes 17th
Sexy primes (1st member)1st 
Sexy prime quadrupletss (1st member)1st 
Sexy prime triplets (1st member)1st 
Solinas primes2nd 
Sophie germain primes3rd 
Super primes2nd 
Thabit primes2nd 
Twin primes (1st member)2nd 
Twin primes (2nd member)1st 
Two-sided primes3rd 
Wilson primes1st 
Roman numberalsVXLIX
Base 210121100012
Base 312312113
Base 41143014
Base 51051445
Base 6561216
Base 7571007
Base 858618
Base 959549
Base 105104910
Base 115114511
Base 125124112
Base 135133a13
Base 145143714
Base 155153415
Base 165163116
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