Compare 663991 vs 664193

Property	663991	664193
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	663991¹	664193¹
Prime factorization	663991	664193
Divisors count	2	2
Divisors	1, 663991	1, 664193
Number of properties	3	5
Additive primes		21034th
Isolated primes	42236th	42251st
Primes	53867th	53884th
Sexy primes (1st member)	11629th	11632nd
Sophie germain primes		5479th
Roman numberals
Base 2	10100010000110110111₂	10100010001010000001₂
Base 3	1020201211021₃	1020202002202₃
Base 4	2202012313₄	2202022001₄
Base 5	132221431₅	132223233₅
Base 6	22122011₆	22122545₆
Base 7	5433556₇	5434265₇
Base 8	2420667₈	2421201₈
Base 9	1221737₉	1222082₉
Base 10	663991₁₀	664193₁₀
Base 11	413959₁₁	414022₁₁
Base 12	280307₁₂	280455₁₂
Base 13	1a32c3₁₃	1a341a₁₃
Base 14	133d9d₁₄	1340a5₁₄
Base 15	d1b11₁₅	d1be8₁₅
Base 16	a21b7₁₆	a2281₁₆