Compare 201997 vs 202109

Property	201997	202109
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	201997¹	202109¹
Prime factorization	201997	202109
Divisors count	2	2
Divisors	1, 201997	1, 202109
Number of properties	4	4
Cousin primes (1st member)	2155th
Isolated primes	13803rd	13811th
Long primes		6805th
Primes	18148th	18158th
Pythagorean primes	9060th	9065th
Roman numberals
Base 2	110001010100001101₂	110001010101111101₂
Base 3	101021002101₃	101021020112₃
Base 4	301110031₄	301111331₄
Base 5	22430442₅	22431414₅
Base 6	4155101₆	4155405₆
Base 7	1500625₇	1501145₇
Base 8	612415₈	612575₈
Base 9	337071₉	337215₉
Base 10	201997₁₀	202109₁₀
Base 11	128844₁₁	128936₁₁
Base 12	98a91₁₂	98b65₁₂
Base 13	70c33₁₃	70cbb₁₃
Base 14	53885₁₄	53925₁₄
Base 15	3ecb7₁₅	3ed3e₁₅
Base 16	3150d₁₆	3157d₁₆