Compare 661983 vs 661993

Property	661983	661993
Type	composite number	prime
Unique factors	4	1
Total factors	4	1
Prime factorization	3¹ × 7¹ × 29¹ × 1087¹	661993¹
Prime factorization	3 × 7 × 29 × 1087	661993
Divisors count	16	2
Divisors	1, 3, 7, 21, 29, 87, 203, 609, 1087, 3261, 7609, 22827, 31523, 94569, 220661, 661983	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	10100001100111011111₂	10100001100111101001₂
Base 3	1020122001220₃	1020122002021₃
Base 4	2201213133₄	2201213221₄
Base 5	132140413₅	132140433₅
Base 6	22104423₆	22104441₆
Base 7	5424660₇	5425003₇
Base 8	2414737₈	2414751₈
Base 9	1218056₉	1218067₉
Base 10	661983₁₀	661993₁₀
Base 11	4123a3₁₁	412402₁₁
Base 12	27b113₁₂	27b121₁₂
Base 13	1a240a₁₃	1a2417₁₃
Base 14	133367₁₄	133373₁₄
Base 15	d1223₁₅	d122d₁₅
Base 16	a19df₁₆	a19e9₁₆