Compare 640249 vs 641131

Property	640249	641131
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	640249¹	641131¹
Prime factorization	640249	641131
Divisors count	2	2
Divisors	1, 640249	1, 641131
Number of properties	3	3
Primes	52098th	52160th
Twin primes (2nd member)	5635th	5639th
Ulam primes	3819th	3824th
Roman numberals
Base 2	10011100010011111001₂	10011100100001101011₂
Base 3	1012112020221₃	1012120110121₃
Base 4	2130103321₄	2130201223₄
Base 5	130441444₅	131004011₅
Base 6	21420041₆	21424111₆
Base 7	5304421₇	5310121₇
Base 8	2342371₈	2344153₈
Base 9	1175227₉	1176417₉
Base 10	640249₁₀	641131₁₀
Base 11	3a8035₁₁	3a8767₁₁
Base 12	26a621₁₂	26b037₁₂
Base 13	19555c₁₃	195a8a₁₃
Base 14	129481₁₄	129911₁₄
Base 15	c9a84₁₅	c9e71₁₅
Base 16	9c4f9₁₆	9c86b₁₆