Compare 23 vs 61

Unique factors11
Total factors11
Prime factorization231611
Prime factorization2361
Divisors count22
Divisors1, 231, 61
Number of properties3012
Additive primes6th11th
Centered decagonal primes 3rd
Centered square primes 4th
Chen primes9th 
Class 1+ primes7th 
Cousin primes (2nd member)4th 
Cuban primes 1 4th
Factorial primes5th 
Happy primes4th 
Harmonic primes4th 
Isolated primes2nd 
Kynea primes3rd 
Left-truncatable primes7th 
Long primes4th8th
Pierpont primes of the 2nd kind7th 
Prime quintuplet 2s (5th member)2nd 
Prime sextuplets (6th member)1st 
Prime triplets (3rd member)5th 
Pythagorean primes 8th
Right-truncatable primes5th 
Safe primes4th 
Sexy primes (1st member)6th12th
Sexy primes (2nd member)5th 
Sexy prime quadrupletss (1st member) 4th
Sexy prime quadrupletss (3rd member)2nd 
Sexy prime quadrupletss (4th member)1st 
Sexy prime triplets (1st member) 8th
Sexy prime triplets (2nd member)4th 
Sexy prime triplets (3rd member)3rd 
Solinas primes8th15th
Sophie germain primes5th 
Thabit primes4th 
Twin primes (2nd member) 7th
Two-sided primes5th 
Wedderburn-etherington primes4th 
Woodall primes2nd 
Roman numberalsXXIIILXI
Base 21011121111012
Base 3212320213
Base 411343314
Base 54352215
Base 63561416
Base 73271157
Base 8278758
Base 9259679
Base 1023106110
Base 1121115611
Base 121b125112
Base 131a134913
Base 1419144514
Base 1518154115
Base 1617163d16
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