Compare 639671 vs 640457

Property	639671	640457
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	639671¹	640457¹
Prime factorization	639671	640457
Divisors count	2	2
Divisors	1, 639671	1, 640457
Number of properties	3	4
Chen primes		20391st
Isolated primes	40795th	40839th
Primes	52050th	52110th
Sexy primes (1st member)	11280th	11290th
Roman numberals
Base 2	10011100001010110111₂	10011100010111001001₂
Base 3	1012111110112₃	1012112112122₃
Base 4	2130022313₄	2130113021₄
Base 5	130432141₅	130443312₅
Base 6	21413235₆	21421025₆
Base 7	5302634₇	5305136₇
Base 8	2341267₈	2342711₈
Base 9	1174415₉	1175478₉
Base 10	639671₁₀	640457₁₀
Base 11	3a765a₁₁	3a8204₁₁
Base 12	26a21b₁₂	26a775₁₂
Base 13	195206₁₃	19568c₁₃
Base 14	12918b₁₄	12958d₁₄
Base 15	c97eb₁₅	c9b72₁₅
Base 16	9c2b7₁₆	9c5c9₁₆