Compare 640121 vs 640589

Property	640121	640589
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	640121¹	640589¹
Prime factorization	640121	640589
Divisors count	2	2
Divisors	1, 640121	1, 640589
Number of properties	4	4
Chen primes	20382nd	20394th
Isolated primes	40823rd	40846th
Primes	52086th	52119th
Sexy primes (1st member)	11286th
Sexy primes (2nd member)		11292nd
Roman numberals
Base 2	10011100010001111001₂	10011100011001001101₂
Base 3	1012112002012₃	1012112201112₃
Base 4	2130101321₄	2130121031₄
Base 5	130440441₅	130444324₅
Base 6	21415305₆	21421405₆
Base 7	5304146₇	5305415₇
Base 8	2342171₈	2343115₈
Base 9	1175065₉	1175645₉
Base 10	640121₁₀	640589₁₀
Base 11	3a7a29₁₁	3a8314₁₁
Base 12	26a535₁₂	26a865₁₂
Base 13	195491₁₃	195761₁₃
Base 14	1293cd₁₄	129645₁₄
Base 15	c99eb₁₅	c9c0e₁₅
Base 16	9c479₁₆	9c64d₁₆