1. Numbers
  2. Compare 40 vs 43

Compare 40 vs 43

Property4043
Typecomposite numberprime
Unique factors21
Total factors41
Prime factorization23 × 51431
Prime factorization2 × 2 × 2 × 543
Divisors count82
Divisors1, 2, 4, 5, 8, 10, 20, 401, 43
Number of properties012
Additive primes 9th
Centered heptagonal primes 1st
Cousin primes (1st member) 6th
Left-truncatable primes 9th
Lucky primes 6th
Primes 14th
Prime triplets (2nd member) 7th
Prime triplets (3rd member) 6th
Sexy primes (2nd member) 8th
Sexy prime triplets (3rd member) 5th
Twin primes (2nd member) 6th
Wagstaff primes 3rd
Roman numberalsXLXLIII
Base 210100021010112
Base 31111311213
Base 422042234
Base 513051335
Base 610461116
Base 7557617
Base 8508538
Base 9449479
Base 1040104310
Base 1137113a11
Base 1234123712
Base 1331133413
Base 142c143114
Base 152a152d15
Base 1628162b16
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