Compare 81020 vs 81031

Property	81020	81031
Type	composite number	prime
Unique factors	3	1
Total factors	4	1
Prime factorization	2² × 5¹ × 4051¹	81031¹
Prime factorization	2 × 2 × 5 × 4051	81031
Divisors count	12	2
Divisors	1, 2, 4, 5, 10, 20, 4051, 8102, 16204, 20255, 40510, 81020	1, 81031
Number of properties	0	5
Additive primes		3299th
Chen primes		3586th
Harmonic primes		2995th
Isolated primes		5890th
Primes		7931st
Roman numberals
Base 2	10011110001111100₂	10011110010000111₂
Base 3	11010010202₃	11010011011₃
Base 4	103301330₄	103302013₄
Base 5	10043040₅	10043111₅
Base 6	1423032₆	1423051₆
Base 7	455132₇	455146₇
Base 8	236174₈	236207₈
Base 9	133122₉	133134₉
Base 10	81020₁₀	81031₁₀
Base 11	55965₁₁	55975₁₁
Base 12	3aa78₁₂	3aa87₁₂
Base 13	2ab54₁₃	2ab62₁₃
Base 14	21752₁₄	2175d₁₄
Base 15	19015₁₅	19021₁₅
Base 16	13c7c₁₆	13c87₁₆