Compare 663997 vs 664009

Property	663997	664009
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	663997¹	664009¹
Prime factorization	663997	664009
Divisors count	2	2
Divisors	1, 663997	1, 664009
Number of properties	3	2
Isolated primes	42237th	42238th
Primes	53868th	53869th
Sexy primes (2nd member)	11629th
Roman numberals
Base 2	10100010000110111101₂	10100010000111001001₂
Base 3	1020201211111₃	1020201211221₃
Base 4	2202012331₄	2202013021₄
Base 5	132221442₅	132222014₅
Base 6	22122021₆	22122041₆
Base 7	5433565₇	5433613₇
Base 8	2420675₈	2420711₈
Base 9	1221744₉	1221757₉
Base 10	663997₁₀	664009₁₀
Base 11	413964₁₁	413975₁₁
Base 12	280311₁₂	280321₁₂
Base 13	1a32c9₁₃	1a3308₁₃
Base 14	133da5₁₄	133db3₁₄
Base 15	d1b17₁₅	d1b24₁₅
Base 16	a21bd₁₆	a21c9₁₆