Compare 661961 vs 661993

Property	661961	661993
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	661961¹	661993¹
Prime factorization	661961	661993
Divisors count	2	2
Divisors	1, 661961	1, 661993
Number of properties	4	5
Additive primes	20969th
Isolated primes	42126th	42128th
Lucky primes		6152nd
Primes	53715th	53717th
Sexy primes (2nd member)		11599th
Sophie germain primes	5462nd
Super primes		5474th
Roman numberals
Base 2	10100001100111001001₂	10100001100111101001₂
Base 3	1020122001002₃	1020122002021₃
Base 4	2201213021₄	2201213221₄
Base 5	132140321₅	132140433₅
Base 6	22104345₆	22104441₆
Base 7	5424626₇	5425003₇
Base 8	2414711₈	2414751₈
Base 9	1218032₉	1218067₉
Base 10	661961₁₀	661993₁₀
Base 11	412383₁₁	412402₁₁
Base 12	27b0b5₁₂	27b121₁₂
Base 13	1a23c1₁₃	1a2417₁₃
Base 14	13334d₁₄	133373₁₄
Base 15	d120b₁₅	d122d₁₅
Base 16	a19c9₁₆	a19e9₁₆