Compare 640259 vs 640457

Property	640259	640457
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	640259¹	640457¹
Prime factorization	640259	640457
Divisors count	2	2
Divisors	1, 640259	1, 640457
Number of properties	4	4
Chen primes	20389th	20391st
Isolated primes		40839th
Primes	52099th	52110th
Sexy primes (1st member)		11290th
Sophie germain primes	5308th
Twin primes (1st member)	5636th
Roman numberals
Base 2	10011100010100000011₂	10011100010111001001₂
Base 3	1012112021022₃	1012112112122₃
Base 4	2130110003₄	2130113021₄
Base 5	130442014₅	130443312₅
Base 6	21420055₆	21421025₆
Base 7	5304434₇	5305136₇
Base 8	2342403₈	2342711₈
Base 9	1175238₉	1175478₉
Base 10	640259₁₀	640457₁₀
Base 11	3a8044₁₁	3a8204₁₁
Base 12	26a62b₁₂	26a775₁₂
Base 13	195569₁₃	19568c₁₃
Base 14	12948b₁₄	12958d₁₄
Base 15	c9a8e₁₅	c9b72₁₅
Base 16	9c503₁₆	9c5c9₁₆