Compare 216991 vs 217121

Property	216991	217121
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	216991¹	217121¹
Prime factorization	216991	217121
Divisors count	2	2
Divisors	1, 216991	1, 217121
Number of properties	2	7
Chen primes		8077th
Cousin primes (2nd member)		2287th
Isolated primes	14764th	14772nd
Primes	19363rd	19373rd
Pythagorean primes		9665th
Sophie germain primes		2198th
Super primes		2192nd
Roman numberals
Base 2	110100111110011111₂	110101000000100001₂
Base 3	102000122201₃	102000211112₃
Base 4	310332133₄	311000201₄
Base 5	23420431₅	23421441₅
Base 6	4352331₆	4353105₆
Base 7	1562425₇	1563002₇
Base 8	647637₈	650041₈
Base 9	360581₉	360745₉
Base 10	216991₁₀	217121₁₀
Base 11	139035₁₁	139143₁₁
Base 12	a56a7₁₂	a5795₁₂
Base 13	779c8₁₃	77a98₁₃
Base 14	59115₁₄	591a9₁₄
Base 15	44461₁₅	444eb₁₅
Base 16	34f9f₁₆	35021₁₆