Compare 639697 vs 640261

Property	639697	640261
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	639697¹	640261¹
Prime factorization	639697	640261
Divisors count	2	2
Divisors	1, 639697	1, 640261
Number of properties	5	5
Additive primes		20363rd
Cousin primes (1st member)	5628th
Isolated primes	40797th
Lucky primes		5980th
Primes	52054th	52100th
Prime triplets (1st member)	2061st
Sexy primes (1st member)	11281st	11288th
Twin primes (2nd member)		5636th
Roman numberals
Base 2	10011100001011010001₂	10011100010100000101₂
Base 3	1012111111111₃	1012112021101₃
Base 4	2130023101₄	2130110011₄
Base 5	130432242₅	130442021₅
Base 6	21413321₆	21420101₆
Base 7	5303002₇	5304436₇
Base 8	2341321₈	2342405₈
Base 9	1174444₉	1175241₉
Base 10	639697₁₀	640261₁₀
Base 11	3a7683₁₁	3a8046₁₁
Base 12	26a241₁₂	26a631₁₂
Base 13	195226₁₃	19556b₁₃
Base 14	1291a9₁₄	12948d₁₄
Base 15	c9817₁₅	c9a91₁₅
Base 16	9c2d1₁₆	9c505₁₆