Compare 663401 vs 663409

Property	663401	663409
Type	semiprime	prime
Unique factors	2	1
Total factors	2	1
Prime factorization	53¹ × 12517¹	663409¹
Prime factorization	53 × 12517	663409
Divisors count	4	2
Divisors	1, 53, 12517, 663401	1, 663409
Number of properties	1	2
Primes		53821st
Semiprimes	141939th
Twin primes (2nd member)		5807th
Roman numberals
Base 2	10100001111101101001₂	10100001111101110001₂
Base 3	1020201000102₃	1020201000201₃
Base 4	2201331221₄	2201331301₄
Base 5	132212101₅	132212114₅
Base 6	22115145₆	22115201₆
Base 7	5432054₇	5432065₇
Base 8	2417551₈	2417561₈
Base 9	1221012₉	1221021₉
Base 10	663401₁₀	663409₁₀
Base 11	413472₁₁	41347a₁₁
Base 12	27bab5₁₂	27bb01₁₂
Base 13	1a2c5b₁₃	1a2c66₁₃
Base 14	133a9b₁₄	133aa5₁₄
Base 15	d186b₁₅	d1874₁₅
Base 16	a1f69₁₆	a1f71₁₆