Compare 659947 vs 659999

Property	659947	659999
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	659947¹	659999¹
Prime factorization	659947	659999
Divisors count	2	2
Divisors	1, 659947	1, 659999
Number of properties	5	5
Additive primes		20911th
Chen primes	20954th	20955th
Cousin primes (1st member)	5775th
Isolated primes	42009th
Primes	53560th	53564th
Safe primes		3094th
Sexy primes (2nd member)	11566th
Twin primes (1st member)		5777th
Roman numberals
Base 2	10100001000111101011₂	10100001001000011111₂
Base 3	1020112021111₃	1020112100102₃
Base 4	2201013223₄	2201020133₄
Base 5	132104242₅	132104444₅
Base 6	22051151₆	22051315₆
Base 7	5416021₇	5416124₇
Base 8	2410753₈	2411037₈
Base 9	1215244₉	1215312₉
Base 10	659947₁₀	659999₁₀
Base 11	410912₁₁	41095a₁₁
Base 12	279ab7₁₂	279b3b₁₂
Base 13	1a1502₁₃	1a1542₁₃
Base 14	132711₁₄	13274b₁₄
Base 15	d0817₁₅	d084e₁₅
Base 16	a11eb₁₆	a121f₁₆