Compare 663601 vs 663661

Property	663601	663661
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	663601¹	663661¹
Prime factorization	663601	663661
Divisors count	2	2
Divisors	1, 663601	1, 663661
Number of properties	4	2
Chen primes	21057th
Primes	53838th	53842nd
Twin primes (2nd member)	5812th	5813th
Ulam primes	3951st
Roman numberals
Base 2	10100010000000110001₂	10100010000001101101₂
Base 3	1020201021211₃	1020201101001₃
Base 4	2202000301₄	2202001231₄
Base 5	132213401₅	132214121₅
Base 6	22120121₆	22120301₆
Base 7	5432461₇	5432605₇
Base 8	2420061₈	2420155₈
Base 9	1221254₉	1221331₉
Base 10	663601₁₀	663661₁₀
Base 11	413634₁₁	413689₁₁
Base 12	280041₁₂	280091₁₂
Base 13	1a3083₁₃	1a30cb₁₃
Base 14	133ba1₁₄	133c05₁₄
Base 15	d1951₁₅	d1991₁₅
Base 16	a2031₁₆	a206d₁₆