Compare 639671 vs 640261

Property	639671	640261
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	639671¹	640261¹
Prime factorization	639671	640261
Divisors count	2	2
Divisors	1, 639671	1, 640261
Number of properties	3	5
Additive primes		20363rd
Isolated primes	40795th
Lucky primes		5980th
Primes	52050th	52100th
Sexy primes (1st member)	11280th	11288th
Twin primes (2nd member)		5636th
Roman numberals
Base 2	10011100001010110111₂	10011100010100000101₂
Base 3	1012111110112₃	1012112021101₃
Base 4	2130022313₄	2130110011₄
Base 5	130432141₅	130442021₅
Base 6	21413235₆	21420101₆
Base 7	5302634₇	5304436₇
Base 8	2341267₈	2342405₈
Base 9	1174415₉	1175241₉
Base 10	639671₁₀	640261₁₀
Base 11	3a765a₁₁	3a8046₁₁
Base 12	26a21b₁₂	26a631₁₂
Base 13	195206₁₃	19556b₁₃
Base 14	12918b₁₄	12948d₁₄
Base 15	c97eb₁₅	c9a91₁₅
Base 16	9c2b7₁₆	9c505₁₆