Compare 661993 vs 661997

Property	661993	661997
Type	prime	composite number
Unique factors	1	3
Total factors	1	3
Prime factorization	661993¹	7¹ × 17¹ × 5563¹
Prime factorization	661993	7 × 17 × 5563
Divisors count	2	8
Divisors	1, 661993	1, 7, 17, 119, 5563, 38941, 94571, 661997
Number of properties	5	0
Isolated primes	42128th
Lucky primes	6152nd
Primes	53717th
Sexy primes (2nd member)	11599th
Super primes	5474th
Roman numberals
Base 2	10100001100111101001₂	10100001100111101101₂
Base 3	1020122002021₃	1020122002102₃
Base 4	2201213221₄	2201213231₄
Base 5	132140433₅	132140442₅
Base 6	22104441₆	22104445₆
Base 7	5425003₇	5425010₇
Base 8	2414751₈	2414755₈
Base 9	1218067₉	1218072₉
Base 10	661993₁₀	661997₁₀
Base 11	412402₁₁	412406₁₁
Base 12	27b121₁₂	27b125₁₂
Base 13	1a2417₁₃	1a241b₁₃
Base 14	133373₁₄	133377₁₄
Base 15	d122d₁₅	d1232₁₅
Base 16	a19e9₁₆	a19ed₁₆