Compare 28 vs 41

Typecomposite numberprime
Unique factors21
Total factors31
Prime factorization22 × 71411
Prime factorization2 × 2 × 741
Divisors count62
Divisors1, 2, 4, 7, 14, 281, 41
Number of properties018
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 numberalsXXVIIIXLI
Base 21110021010012
Base 31001311123
Base 413042214
Base 510351315
Base 64461056
Base 7407567
Base 8348518
Base 9319459
Base 1028104110
Base 1126113811
Base 1224123512
Base 1322133213
Base 1420142d14
Base 151d152b15
Base 161c162916
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