Compare 661987 vs 662143

Property	661987	662143
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	661987¹	662143¹
Prime factorization	661987	662143
Divisors count	2	2
Divisors	1, 661987	1, 662143
Number of properties	5	3
Additive primes	20970th
Chen primes	21009th
Isolated primes	42127th
Primes	53716th	53728th
Sexy primes (1st member)	11599th	11600th
Twin primes (2nd member)		5796th
Roman numberals
Base 2	10100001100111100011₂	10100001101001111111₂
Base 3	1020122002001₃	1020122021211₃
Base 4	2201213203₄	2201221333₄
Base 5	132140422₅	132142033₅
Base 6	22104431₆	22105251₆
Base 7	5424664₇	5425306₇
Base 8	2414743₈	2415177₈
Base 9	1218061₉	1218254₉
Base 10	661987₁₀	662143₁₀
Base 11	4123a7₁₁	412529₁₁
Base 12	27b117₁₂	27b227₁₂
Base 13	1a2411₁₃	1a2501₁₃
Base 14	13336b₁₄	13343d₁₄
Base 15	d1227₁₅	d12cd₁₅
Base 16	a19e3₁₆	a1a7f₁₆