Compare 639621 vs 639631

Property	639621	639631
Type	composite number	prime
Unique factors	2	1
Total factors	3	1
Prime factorization	3² × 71069¹	639631¹
Prime factorization	3 × 3 × 71069	639631
Divisors count	6	2
Divisors	1, 3, 9, 71069, 213207, 639621	1, 639631
Number of properties	0	3
Isolated primes		40792nd
Primes		52047th
Sexy primes (1st member)		11279th
Roman numberals
Base 2	10011100001010000101₂	10011100001010001111₂
Base 3	1012111101200₃	1012111102001₃
Base 4	2130022011₄	2130022033₄
Base 5	130431441₅	130432011₅
Base 6	21413113₆	21413131₆
Base 7	5302533₇	5302546₇
Base 8	2341205₈	2341217₈
Base 9	1174350₉	1174361₉
Base 10	639621₁₀	639631₁₀
Base 11	3a7614₁₁	3a7623₁₁
Base 12	26a199₁₂	26a1a7₁₂
Base 13	195198₁₃	1951a5₁₃
Base 14	129153₁₄	12915d₁₄
Base 15	c97b6₁₅	c97c1₁₅
Base 16	9c285₁₆	9c28f₁₆