Compare 661986 vs 661993

Property	661986	661993
Type	composite number	prime
Unique factors	5	1
Total factors	7	1
Prime factorization	2¹ × 3³ × 13¹ × 23¹ × 41¹	661993¹
Prime factorization	2 × 3 × 3 × 3 × 13 × 23 × 41	661993
Divisors count	64	2
Divisors	1, 2, 3, 6, 9, 13, 18, 23, 26, 27, 39, 41, 46, 54, 69, 78, 82, 117, 123, 138, 207, 234, 246, 299, 351, 369, 414, 533, 598, 621, 702, 738, 897, 943, 1066, 1107, 1242, 1599, 1794, 1886, 2214, 2691, 2829, 3198, 4797, 5382, 5658, 8073, 8487, 9594, 12259, 14391, 16146, 16974, 24518, 25461, 28782, 36777, 50922, 73554, 110331, 220662, 330993, 661986	1, 661993
Number of properties	0	5
Isolated primes		42128th
Lucky primes		6152nd
Primes		53717th
Sexy primes (2nd member)		11599th
Super primes		5474th
Roman numberals
Base 2	10100001100111100010₂	10100001100111101001₂
Base 3	1020122002000₃	1020122002021₃
Base 4	2201213202₄	2201213221₄
Base 5	132140421₅	132140433₅
Base 6	22104430₆	22104441₆
Base 7	5424663₇	5425003₇
Base 8	2414742₈	2414751₈
Base 9	1218060₉	1218067₉
Base 10	661986₁₀	661993₁₀
Base 11	4123a6₁₁	412402₁₁
Base 12	27b116₁₂	27b121₁₂
Base 13	1a2410₁₃	1a2417₁₃
Base 14	13336a₁₄	133373₁₄
Base 15	d1226₁₅	d122d₁₅
Base 16	a19e2₁₆	a19e9₁₆