Compare 131220 vs 131231

Property	131220	131231
Type	composite number	prime
Unique factors	3	1
Total factors	11	1
Prime factorization	2² × 3⁸ × 5¹	131231¹
Prime factorization	2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 5	131231
Divisors count	54	2
Divisors	1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 729, 810, 972, 1215, 1458, 1620, 2187, 2430, 2916, 3645, 4374, 4860, 6561, 7290, 8748, 10935, 13122, 14580, 21870, 26244, 32805, 43740, 65610, 131220	1, 131231
Number of properties	0	4
Additive primes		5056th
Chen primes		5290th
Isolated primes		9209th
Primes		12262nd
Roman numberals
Base 2	100000000010010100₂	100000000010011111₂
Base 3	20200000000₃	20200000102₃
Base 4	200002110₄	200002133₄
Base 5	13144340₅	13144411₅
Base 6	2451300₆	2451315₆
Base 7	1054365₇	1054412₇
Base 8	400224₈	400237₈
Base 9	220000₉	220012₉
Base 10	131220₁₀	131231₁₀
Base 11	8a651₁₁	8a661₁₁
Base 12	63b30₁₂	63b3b₁₂
Base 13	4795b₁₃	47969₁₃
Base 14	35b6c₁₄	35b79₁₄
Base 15	28d30₁₅	28d3b₁₅
Base 16	20094₁₆	2009f₁₆