Compare 640249 vs 640363

Property	640249	640363
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	640249¹	640363¹
Prime factorization	640249	640363
Divisors count	2	2
Divisors	1, 640249	1, 640363
Number of properties	3	4
Isolated primes		40835th
Lucky primes		5981st
Primes	52098th	52106th
Sexy primes (1st member)		11289th
Twin primes (2nd member)	5635th
Ulam primes	3819th
Roman numberals
Base 2	10011100010011111001₂	10011100010101101011₂
Base 3	1012112020221₃	1012112102011₃
Base 4	2130103321₄	2130111223₄
Base 5	130441444₅	130442423₅
Base 6	21420041₆	21420351₆
Base 7	5304421₇	5304643₇
Base 8	2342371₈	2342553₈
Base 9	1175227₉	1175364₉
Base 10	640249₁₀	640363₁₀
Base 11	3a8035₁₁	3a8129₁₁
Base 12	26a621₁₂	26a6b7₁₂
Base 13	19555c₁₃	195619₁₃
Base 14	129481₁₄	129523₁₄
Base 15	c9a84₁₅	c9b0d₁₅
Base 16	9c4f9₁₆	9c56b₁₆