Compare 81281 vs 81292

Property	81281	81292
Type	prime	composite number
Unique factors	1	2
Total factors	1	3
Prime factorization	81281¹	2² × 20323¹
Prime factorization	81281	2 × 2 × 20323
Divisors count	2	6
Divisors	1, 81281	1, 2, 4, 20323, 40646, 81292
Number of properties	7	0
Centered decagonal primes	61st
Chen primes	3597th
Harmonic primes	3002nd
Primes	7953rd
Pythagorean primes	3963rd
Sophie germain primes	988th
Twin primes (1st member)	1025th
Roman numberals
Base 2	10011110110000001₂	10011110110001100₂
Base 3	11010111102₃	11010111211₃
Base 4	103312001₄	103312030₄
Base 5	10100111₅	10100132₅
Base 6	1424145₆	1424204₆
Base 7	455654₇	456001₇
Base 8	236601₈	236614₈
Base 9	133442₉	133454₉
Base 10	81281₁₀	81292₁₀
Base 11	56082₁₁	56092₁₁
Base 12	3b055₁₂	3b064₁₂
Base 13	2acc5₁₃	2b003₁₃
Base 14	2189b₁₄	218a8₁₄
Base 15	1913b₁₅	19147₁₅
Base 16	13d81₁₆	13d8c₁₆