1. Numbers
  2. Compare 28 vs 29

Compare 28 vs 29

Property2829
Typecomposite numberprime
Unique factors21
Total factors31
Prime factorization22 × 71291
Prime factorization2 × 2 × 729
Divisors count62
Divisors1, 2, 4, 7, 14, 281, 29
Number of properties014
Additive primes 7th
Chen primes 10th
Good primes 4th
Long primes 5th
Lucas primes 5th
Primes 10th
Pythagorean primes 4th
Right-truncatable primes 6th
Sexy primes (2nd member) 6th
Sexy prime quadrupletss (4th member) 2nd
Sexy prime triplets (3rd member) 4th
Solinas primes 9th
Sophie germain primes 6th
Twin primes (1st member) 5th
Roman numberalsXXVIIIXXIX
Base 2111002111012
Base 31001310023
Base 413041314
Base 510351045
Base 6446456
Base 7407417
Base 8348358
Base 9319329
Base 1028102910
Base 1126112711
Base 1224122512
Base 1322132313
Base 1420142114
Base 151d151e15
Base 161c161d16
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