Compare 640039 vs 640261

Property	640039	640261
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	640039¹	640261¹
Prime factorization	640039	640261
Divisors count	2	2
Divisors	1, 640039	1, 640261
Number of properties	4	5
Additive primes		20363rd
Cousin primes (1st member)	5632nd
Isolated primes	40816th
Lucky primes	5979th	5980th
Primes	52079th	52100th
Sexy primes (1st member)		11288th
Twin primes (2nd member)		5636th
Roman numberals
Base 2	10011100010000100111₂	10011100010100000101₂
Base 3	1012111222011₃	1012112021101₃
Base 4	2130100213₄	2130110011₄
Base 5	130440124₅	130442021₅
Base 6	21415051₆	21420101₆
Base 7	5304001₇	5304436₇
Base 8	2342047₈	2342405₈
Base 9	1174864₉	1175241₉
Base 10	640039₁₀	640261₁₀
Base 11	3a7964₁₁	3a8046₁₁
Base 12	26a487₁₂	26a631₁₂
Base 13	19542a₁₃	19556b₁₃
Base 14	129371₁₄	12948d₁₄
Base 15	c9994₁₅	c9a91₁₅
Base 16	9c427₁₆	9c505₁₆