Compare 640261 vs 641239

Property	640261	641239
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	640261¹	641239¹
Prime factorization	640261	641239
Divisors count	2	2
Divisors	1, 640261	1, 641239
Number of properties	5	3
Additive primes	20363rd
Isolated primes		40890th
Lucky primes	5980th	5986th
Primes	52100th	52167th
Sexy primes (1st member)	11288th
Twin primes (2nd member)	5636th
Roman numberals
Base 2	10011100010100000101₂	10011100100011010111₂
Base 3	1012112021101₃	1012120121121₃
Base 4	2130110011₄	2130203113₄
Base 5	130442021₅	131004424₅
Base 6	21420101₆	21424411₆
Base 7	5304436₇	5310334₇
Base 8	2342405₈	2344327₈
Base 9	1175241₉	1176547₉
Base 10	640261₁₀	641239₁₀
Base 11	3a8046₁₁	3a8855₁₁
Base 12	26a631₁₂	26b107₁₂
Base 13	19556b₁₃	195b41₁₃
Base 14	12948d₁₄	12998b₁₄
Base 15	c9a91₁₅	c9ee4₁₅
Base 16	9c505₁₆	9c8d7₁₆