Compare 663401 vs 663407

Property	663401	663407
Type	semiprime	prime
Unique factors	2	1
Total factors	2	1
Prime factorization	53¹ × 12517¹	663407¹
Prime factorization	53 × 12517	663407
Divisors count	4	2
Divisors	1, 53, 12517, 663401	1, 663407
Number of properties	1	3
Chen primes		21047th
Primes		53820th
Semiprimes	141939th
Twin primes (1st member)		5807th
Roman numberals
Base 2	10100001111101101001₂	10100001111101101111₂
Base 3	1020201000102₃	1020201000122₃
Base 4	2201331221₄	2201331233₄
Base 5	132212101₅	132212112₅
Base 6	22115145₆	22115155₆
Base 7	5432054₇	5432063₇
Base 8	2417551₈	2417557₈
Base 9	1221012₉	1221018₉
Base 10	663401₁₀	663407₁₀
Base 11	413472₁₁	413478₁₁
Base 12	27bab5₁₂	27babb₁₂
Base 13	1a2c5b₁₃	1a2c64₁₃
Base 14	133a9b₁₄	133aa3₁₄
Base 15	d186b₁₅	d1872₁₅
Base 16	a1f69₁₆	a1f6f₁₆