Compare 640231 vs 640261

Property	640231	640261
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	640231¹	640261¹
Prime factorization	640231	640261
Divisors count	2	2
Divisors	1, 640231	1, 640261
Number of properties	2	5
Additive primes		20363rd
Lucky primes		5980th
Primes	52096th	52100th
Sexy primes (1st member)		11288th
Twin primes (2nd member)	5634th	5636th
Roman numberals
Base 2	10011100010011100111₂	10011100010100000101₂
Base 3	1012112020021₃	1012112021101₃
Base 4	2130103213₄	2130110011₄
Base 5	130441411₅	130442021₅
Base 6	21420011₆	21420101₆
Base 7	5304364₇	5304436₇
Base 8	2342347₈	2342405₈
Base 9	1175207₉	1175241₉
Base 10	640231₁₀	640261₁₀
Base 11	3a8019₁₁	3a8046₁₁
Base 12	26a607₁₂	26a631₁₂
Base 13	195547₁₃	19556b₁₃
Base 14	12946b₁₄	12948d₁₄
Base 15	c9a71₁₅	c9a91₁₅
Base 16	9c4e7₁₆	9c505₁₆