1. Numbers
  2. Compare 2 vs 42

Compare 2 vs 42

Property242
Typeprimecomposite number
Unique factors13
Total factors13
Prime factorization2121 × 31 × 71
Prime factorization22 × 3 × 7
Divisors count28
Divisors1, 21, 2, 3, 6, 7, 14, 21, 42
Number of properties260
Additive primes1st 
Bell primes1st 
Chen primes1st 
Class 1+ primes1st 
Dihedral primes1st 
Euclid primes1st 
Factorial primes1st 
Fibonacci primes1st 
Isolated primes1st 
Kynea primes1st 
Left-truncatable primes1st 
Lucas primes1st 
Mills primes1st 
Multiplicative primes1st 
Palindromic primes1st 
Pierpont primes1st 
Pierpont primes of the 2nd kind1st 
Primes1st 
Quartan primes1st 
Restricted left-truncatable primes1st 
Right-truncatable primes1st 
Sophie germain primes1st 
Thabit primes1st 
Two-sided primes1st 
Ulam primes1st 
Wedderburn-etherington primes1st 
Roman numberalsIIXLII
Base 21021010102
Base 32311203
Base 4242224
Base 5251325
Base 6261106
Base 727607
Base 828528
Base 929469
Base 102104210
Base 112113911
Base 122123612
Base 132133313
Base 142143014
Base 152152c15
Base 162162a16
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