Compare 661009 vs 661011

Property	661009	661011
Type	prime	composite number
Unique factors	1	4
Total factors	1	4
Prime factorization	661009¹	3¹ × 13¹ × 17¹ × 997¹
Prime factorization	661009	3 × 13 × 17 × 997
Divisors count	2	16
Divisors	1, 661009	1, 3, 13, 17, 39, 51, 221, 663, 997, 2991, 12961, 16949, 38883, 50847, 220337, 661011
Number of properties	3	0
Isolated primes	42071st
Lucky primes	6149th
Primes	53648th
Roman numberals
Base 2	10100001011000010001₂	10100001011000010011₂
Base 3	1020120201211₃	1020120201220₃
Base 4	2201120101₄	2201120103₄
Base 5	132123014₅	132123021₅
Base 6	22100121₆	22100123₆
Base 7	5422066₇	5422101₇
Base 8	2413021₈	2413023₈
Base 9	1216654₉	1216656₉
Base 10	661009₁₀	661011₁₀
Base 11	411698₁₁	41169a₁₁
Base 12	27a641₁₂	27a643₁₂
Base 13	1a1b3b₁₃	1a1b40₁₃
Base 14	132c6d₁₄	132c71₁₄
Base 15	d0cc4₁₅	d0cc6₁₅
Base 16	a1611₁₆	a1613₁₆