Compare 201809 vs 201907

Property	201809	201907
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	201809¹	201907¹
Prime factorization	201809	201907
Divisors count	2	2
Divisors	1, 201809	1, 201907
Number of properties	5	4
Additive primes		7297th
Chen primes	7580th
Cousin primes (1st member)		2153rd
Harmonic primes	6807th
Isolated primes	13787th	13793rd
Primes	18128th	18138th
Pythagorean primes	9049th
Roman numberals
Base 2	110001010001010001₂	110001010010110011₂
Base 3	101020211102₃	101020222001₃
Base 4	301101101₄	301102303₄
Base 5	22424214₅	22430112₅
Base 6	4154145₆	4154431₆
Base 7	1500236₇	1500436₇
Base 8	612121₈	612263₈
Base 9	336742₉	336861₉
Base 10	201809₁₀	201907₁₀
Base 11	128693₁₁	128772₁₁
Base 12	98955₁₂	98a17₁₂
Base 13	70b1a₁₃	70b94₁₃
Base 14	5378d₁₄	5381d₁₄
Base 15	3ebde₁₅	3ec57₁₅
Base 16	31451₁₆	314b3₁₆