Compare 660001 vs 660009

Property	660001	660009
Type	prime	composite number
Unique factors	1	4
Total factors	1	4
Prime factorization	660001¹	3¹ × 7¹ × 53¹ × 593¹
Prime factorization	660001	3 × 7 × 53 × 593
Divisors count	2	16
Divisors	1, 660001	1, 3, 7, 21, 53, 159, 371, 593, 1113, 1779, 4151, 12453, 31429, 94287, 220003, 660009
Number of properties	4	0
Additive primes	20912th
Lucky primes	6141st
Primes	53565th
Twin primes (2nd member)	5777th
Roman numberals
Base 2	10100001001000100001₂	10100001001000101001₂
Base 3	1020112100111₃	1020112100210₃
Base 4	2201020201₄	2201020221₄
Base 5	132110001₅	132110014₅
Base 6	22051321₆	22051333₆
Base 7	5416126₇	5416140₇
Base 8	2411041₈	2411051₈
Base 9	1215314₉	1215323₉
Base 10	660001₁₀	660009₁₀
Base 11	410961₁₁	410969₁₁
Base 12	279b41₁₂	279b49₁₂
Base 13	1a1544₁₃	1a154c₁₃
Base 14	13274d₁₄	132757₁₄
Base 15	d0851₁₅	d0859₁₅
Base 16	a1221₁₆	a1229₁₆