Compare 20809 vs 20818

Property	20809	20818
Type	prime	composite number
Unique factors	1	3
Total factors	1	3
Prime factorization	20809¹	2¹ × 7¹ × 1487¹
Prime factorization	20809	2 × 7 × 1487
Divisors count	2	8
Divisors	1, 20809	1, 2, 7, 14, 1487, 2974, 10409, 20818
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	101000101010010₂
Base 3	1001112201₃	1001120001₃
Base 4	11011021₄	11011102₄
Base 5	1131214₅	1131233₅
Base 6	240201₆	240214₆
Base 7	114445₇	114460₇
Base 8	50511₈	50522₈
Base 9	31481₉	31501₉
Base 10	20809₁₀	20818₁₀
Base 11	146a8₁₁	14706₁₁
Base 12	10061₁₂	1006a₁₂
Base 13	9619₁₃	9625₁₃
Base 14	7825₁₄	7830₁₄
Base 15	6274₁₅	627d₁₅
Base 16	5149₁₆	5152₁₆