Compare 39 vs 41

Unique factors21
Total factors21
Prime factorization31 × 131411
Prime factorization3 × 1341
Divisors count42
Divisors1, 3, 13, 391, 41
Number of properties118
Additive primes 8th
Centered square primes 3rd
Chen primes 13th
Cousin primes (2nd member) 5th
Good primes 6th
Harmonic primes 5th
Primes 13th
Prime triplets (1st member) 7th
Prime triplets (2nd member) 6th
Proth primes 5th
Pythagorean primes 6th
Sexy primes (1st member) 9th
Sexy prime quadrupletss (1st member) 3rd
Sexy prime triplets (1st member) 6th
Solinas primes 12th
Sophie germain primes 7th
Super primes 6th
Twin primes (1st member) 6th
Roman numberalsXXXIXXLI
Base 210011121010012
Base 31110311123
Base 421342214
Base 512451315
Base 610361056
Base 7547567
Base 8478518
Base 9439459
Base 1039104110
Base 1136113811
Base 1233123512
Base 1330133213
Base 142b142d14
Base 1529152b15
Base 1627162916
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