Compare 20809 vs 20811

Property	20809	20811
Type	prime	composite number
Unique factors	1	3
Total factors	1	3
Prime factorization	20809¹	3¹ × 7¹ × 991¹
Prime factorization	20809	3 × 7 × 991
Divisors count	2	8
Divisors	1, 20809	1, 3, 7, 21, 991, 2973, 6937, 20811
Number of properties	5	0
Additive primes	1091st
Harmonic primes	859th
Primes	2344th
Pythagorean primes	1165th
Twin primes (2nd member)	355th
Roman numberals
Base 2	101000101001001₂	101000101001011₂
Base 3	1001112201₃	1001112210₃
Base 4	11011021₄	11011023₄
Base 5	1131214₅	1131221₅
Base 6	240201₆	240203₆
Base 7	114445₇	114450₇
Base 8	50511₈	50513₈
Base 9	31481₉	31483₉
Base 10	20809₁₀	20811₁₀
Base 11	146a8₁₁	146aa₁₁
Base 12	10061₁₂	10063₁₂
Base 13	9619₁₃	961b₁₃
Base 14	7825₁₄	7827₁₄
Base 15	6274₁₅	6276₁₅
Base 16	5149₁₆	514b₁₆