1. Numbers
  2. Compare 4 vs 23

Compare 4 vs 23

Property423
Typesemiprimeprime
Unique factors11
Total factors21
Prime factorization22231
Prime factorization2 × 223
Divisors count32
Divisors1, 2, 41, 23
Number of properties130
Additive primes 6th
Chen primes 9th
Class 1+ primes 7th
Cousin primes (2nd member) 4th
Factorial primes 5th
Happy primes 4th
Harmonic primes 4th
Isolated primes 2nd
Kynea primes 3rd
Left-truncatable primes 7th
Long primes 4th
Pierpont primes of the 2nd kind 7th
Primes 9th
Prime quintuplet 2s (5th member) 2nd
Prime sextuplets (6th member) 1st
Prime triplets (3rd member) 5th
Right-truncatable primes 5th
Safe primes 4th
Semiprimes1st 
Sexy primes (1st member) 6th
Sexy primes (2nd member) 5th
Sexy prime quadrupletss (3rd member) 2nd
Sexy prime quadrupletss (4th member) 1st
Sexy prime triplets (2nd member) 4th
Sexy prime triplets (3rd member) 3rd
Solinas primes 8th
Sophie germain primes 5th
Thabit primes 4th
Two-sided primes 5th
Wedderburn-etherington primes 4th
Woodall primes 2nd
Roman numberalsIVXXIII
Base 21002101112
Base 31132123
Base 41041134
Base 545435
Base 646356
Base 747327
Base 848278
Base 949259
Base 104102310
Base 114112111
Base 124121b12
Base 134131a13
Base 144141914
Base 154151815
Base 164161716
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