Compare 660661 vs 660667

Property	660661	660667
Type	prime	composite number
Unique factors	1	3
Total factors	1	4
Prime factorization	660661¹	7² × 97¹ × 139¹
Prime factorization	660661	7 × 7 × 97 × 139
Divisors count	2	12
Divisors	1, 660661	1, 7, 49, 97, 139, 679, 973, 4753, 6811, 13483, 94381, 660667
Number of properties	3	0
Centered decagonal primes	153rd
Primes	53621st
Twin primes (2nd member)	5785th
Roman numberals
Base 2	10100001010010110101₂	10100001010010111011₂
Base 3	1020120020221₃	1020120021011₃
Base 4	2201102311₄	2201102323₄
Base 5	132120121₅	132120132₅
Base 6	22054341₆	22054351₆
Base 7	5421061₇	5421100₇
Base 8	2412265₈	2412273₈
Base 9	1216227₉	1216234₉
Base 10	660661₁₀	660667₁₀
Base 11	411401₁₁	411407₁₁
Base 12	27a3b1₁₂	27a3b7₁₂
Base 13	1a1931₁₃	1a1937₁₃
Base 14	132aa1₁₄	132aa7₁₄
Base 15	d0b41₁₅	d0b47₁₅
Base 16	a14b5₁₆	a14bb₁₆