Compare 640231 vs 640369

Property	640231	640369
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	640231¹	640369¹
Prime factorization	640231	640369
Divisors count	2	2
Divisors	1, 640231	1, 640369
Number of properties	2	4
Isolated primes		40836th
Lucky primes		5982nd
Primes	52096th	52107th
Sexy primes (2nd member)		11289th
Twin primes (2nd member)	5634th
Roman numberals
Base 2	10011100010011100111₂	10011100010101110001₂
Base 3	1012112020021₃	1012112102101₃
Base 4	2130103213₄	2130111301₄
Base 5	130441411₅	130442434₅
Base 6	21420011₆	21420401₆
Base 7	5304364₇	5304652₇
Base 8	2342347₈	2342561₈
Base 9	1175207₉	1175371₉
Base 10	640231₁₀	640369₁₀
Base 11	3a8019₁₁	3a8134₁₁
Base 12	26a607₁₂	26a701₁₂
Base 13	195547₁₃	195622₁₃
Base 14	12946b₁₄	129529₁₄
Base 15	c9a71₁₅	c9b14₁₅
Base 16	9c4e7₁₆	9c571₁₆