Compare 201809 vs 201814

Property	201809	201814
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	201809¹	2¹ × 100907¹
Prime factorization	201809	2 × 100907
Divisors count	2	4
Divisors	1, 201809	1, 2, 100907, 201814
Number of properties	5	1
Chen primes	7580th
Harmonic primes	6807th
Isolated primes	13787th
Primes	18128th
Pythagorean primes	9049th
Semiprimes		45627th
Roman numberals
Base 2	110001010001010001₂	110001010001010110₂
Base 3	101020211102₃	101020211121₃
Base 4	301101101₄	301101112₄
Base 5	22424214₅	22424224₅
Base 6	4154145₆	4154154₆
Base 7	1500236₇	1500244₇
Base 8	612121₈	612126₈
Base 9	336742₉	336747₉
Base 10	201809₁₀	201814₁₀
Base 11	128693₁₁	128698₁₁
Base 12	98955₁₂	9895a₁₂
Base 13	70b1a₁₃	70b22₁₃
Base 14	5378d₁₄	53794₁₄
Base 15	3ebde₁₅	3ebe4₁₅
Base 16	31451₁₆	31456₁₆