Compare 663661 vs 663666

Property	663661	663666
Type	prime	composite number
Unique factors	1	4
Total factors	1	4
Prime factorization	663661¹	2¹ × 3¹ × 53¹ × 2087¹
Prime factorization	663661	2 × 3 × 53 × 2087
Divisors count	2	16
Divisors	1, 663661	1, 2, 3, 6, 53, 106, 159, 318, 2087, 4174, 6261, 12522, 110611, 221222, 331833, 663666
Number of properties	2	0
Primes	53842nd
Twin primes (2nd member)	5813th
Roman numberals
Base 2	10100010000001101101₂	10100010000001110010₂
Base 3	1020201101001₃	1020201101020₃
Base 4	2202001231₄	2202001302₄
Base 5	132214121₅	132214131₅
Base 6	22120301₆	22120310₆
Base 7	5432605₇	5432613₇
Base 8	2420155₈	2420162₈
Base 9	1221331₉	1221336₉
Base 10	663661₁₀	663666₁₀
Base 11	413689₁₁	413693₁₁
Base 12	280091₁₂	280096₁₂
Base 13	1a30cb₁₃	1a3103₁₃
Base 14	133c05₁₄	133c0a₁₄
Base 15	d1991₁₅	d1996₁₅
Base 16	a206d₁₆	a2072₁₆