Compare 640121 vs 640267

Property	640121	640267
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	640121¹	640267¹
Prime factorization	640121	640267
Divisors count	2	2
Divisors	1, 640121	1, 640267
Number of properties	4	3
Chen primes	20382nd
Isolated primes	40823rd	40830th
Primes	52086th	52101st
Sexy primes (1st member)	11286th
Sexy primes (2nd member)		11288th
Roman numberals
Base 2	10011100010001111001₂	10011100010100001011₂
Base 3	1012112002012₃	1012112021121₃
Base 4	2130101321₄	2130110023₄
Base 5	130440441₅	130442032₅
Base 6	21415305₆	21420111₆
Base 7	5304146₇	5304445₇
Base 8	2342171₈	2342413₈
Base 9	1175065₉	1175247₉
Base 10	640121₁₀	640267₁₀
Base 11	3a7a29₁₁	3a8051₁₁
Base 12	26a535₁₂	26a637₁₂
Base 13	195491₁₃	195574₁₃
Base 14	1293cd₁₄	129495₁₄
Base 15	c99eb₁₅	c9a97₁₅
Base 16	9c479₁₆	9c50b₁₆