Compare 661987 vs 661993

Property	661987	661993
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	661987¹	661993¹
Prime factorization	661987	661993
Divisors count	2	2
Divisors	1, 661987	1, 661993
Number of properties	5	5
Additive primes	20970th
Chen primes	21009th
Isolated primes	42127th	42128th
Lucky primes		6152nd
Primes	53716th	53717th
Sexy primes (1st member)	11599th
Sexy primes (2nd member)		11599th
Super primes		5474th
Roman numberals
Base 2	10100001100111100011₂	10100001100111101001₂
Base 3	1020122002001₃	1020122002021₃
Base 4	2201213203₄	2201213221₄
Base 5	132140422₅	132140433₅
Base 6	22104431₆	22104441₆
Base 7	5424664₇	5425003₇
Base 8	2414743₈	2414751₈
Base 9	1218061₉	1218067₉
Base 10	661987₁₀	661993₁₀
Base 11	4123a7₁₁	412402₁₁
Base 12	27b117₁₂	27b121₁₂
Base 13	1a2411₁₃	1a2417₁₃
Base 14	13336b₁₄	133373₁₄
Base 15	d1227₁₅	d122d₁₅
Base 16	a19e3₁₆	a19e9₁₆