Compare 20809 vs 20819

Property	20809	20819
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	20809¹	109¹ × 191¹
Prime factorization	20809	109 × 191
Divisors count	2	4
Divisors	1, 20809	1, 109, 191, 20819
Number of properties	5	1
Additive primes	1091st
Harmonic primes	859th
Primes	2344th
Pythagorean primes	1165th
Semiprimes		5282nd
Twin primes (2nd member)	355th
Roman numberals
Base 2	101000101001001₂	101000101010011₂
Base 3	1001112201₃	1001120002₃
Base 4	11011021₄	11011103₄
Base 5	1131214₅	1131234₅
Base 6	240201₆	240215₆
Base 7	114445₇	114461₇
Base 8	50511₈	50523₈
Base 9	31481₉	31502₉
Base 10	20809₁₀	20819₁₀
Base 11	146a8₁₁	14707₁₁
Base 12	10061₁₂	1006b₁₂
Base 13	9619₁₃	9626₁₃
Base 14	7825₁₄	7831₁₄
Base 15	6274₁₅	627e₁₅
Base 16	5149₁₆	5153₁₆