Compare 201911 vs 201997

Property	201911	201997
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	201911¹	201997¹
Prime factorization	201911	201997
Divisors count	2	2
Divisors	1, 201911	1, 201997
Number of properties	4	4
Chen primes	7584th
Cousin primes (1st member)		2155th
Cousin primes (2nd member)	2153rd
Isolated primes	13794th	13803rd
Primes	18139th	18148th
Pythagorean primes		9060th
Roman numberals
Base 2	110001010010110111₂	110001010100001101₂
Base 3	101020222012₃	101021002101₃
Base 4	301102313₄	301110031₄
Base 5	22430121₅	22430442₅
Base 6	4154435₆	4155101₆
Base 7	1500443₇	1500625₇
Base 8	612267₈	612415₈
Base 9	336865₉	337071₉
Base 10	201911₁₀	201997₁₀
Base 11	128776₁₁	128844₁₁
Base 12	98a1b₁₂	98a91₁₂
Base 13	70b98₁₃	70c33₁₃
Base 14	53823₁₄	53885₁₄
Base 15	3ec5b₁₅	3ecb7₁₅
Base 16	314b7₁₆	3150d₁₆