Compare 640249 vs 642211

Property	640249	642211
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	640249¹	642211¹
Prime factorization	640249	642211
Divisors count	2	2
Divisors	1, 640249	1, 642211
Number of properties	3	6
Isolated primes		40939th
Lucky primes		5997th
Primes	52098th	52238th
Sexy primes (1st member)		11318th
Sexy prime triplets (1st member)		2076th
Twin primes (2nd member)	5635th
Ulam primes	3819th	3830th
Roman numberals
Base 2	10011100010011111001₂	10011100110010100011₂
Base 3	1012112020221₃	1012121221121₃
Base 4	2130103321₄	2130302203₄
Base 5	130441444₅	131022321₅
Base 6	21420041₆	21433111₆
Base 7	5304421₇	5313223₇
Base 8	2342371₈	2346243₈
Base 9	1175227₉	1177847₉
Base 10	640249₁₀	642211₁₀
Base 11	3a8035₁₁	3a9559₁₁
Base 12	26a621₁₂	26b797₁₂
Base 13	19555c₁₃	19640b₁₃
Base 14	129481₁₄	12a083₁₄
Base 15	c9a84₁₅	ca441₁₅
Base 16	9c4f9₁₆	9cca3₁₆