Compare 640139 vs 640261

Property	640139	640261
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	640139¹	640261¹
Prime factorization	640139	640261
Divisors count	2	2
Divisors	1, 640139	1, 640261
Number of properties	4	5
Additive primes	20356th	20363rd
Chen primes	20383rd
Isolated primes	40825th
Lucky primes		5980th
Primes	52088th	52100th
Sexy primes (1st member)		11288th
Twin primes (2nd member)		5636th
Roman numberals
Base 2	10011100010010001011₂	10011100010100000101₂
Base 3	1012112002212₃	1012112021101₃
Base 4	2130102023₄	2130110011₄
Base 5	130441024₅	130442021₅
Base 6	21415335₆	21420101₆
Base 7	5304203₇	5304436₇
Base 8	2342213₈	2342405₈
Base 9	1175085₉	1175241₉
Base 10	640139₁₀	640261₁₀
Base 11	3a7a45₁₁	3a8046₁₁
Base 12	26a54b₁₂	26a631₁₂
Base 13	1954a6₁₃	19556b₁₃
Base 14	129403₁₄	12948d₁₄
Base 15	c9a0e₁₅	c9a91₁₅
Base 16	9c48b₁₆	9c505₁₆