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Properties of the Number 12560

Twelve Thousand Five Hundred Sixty

Basics

Value: 12559 → 12560 → 12561

Parity: even

Prime: No

Previous Prime: 12553

Next Prime: 12569

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 4 × 5 × 157

Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 11000100010000

Octal: 30420

Duodecimal: 7328

Hexadecimal: 3110

Square: 157753600

Square Root: 112.0714058089752

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

a(n) = 2·n*(4·n-3). A139271
Number of non-isomorphic multiset partitions of weight n with no singletons or vertices that appear only once. A320665
Array T(n,k) read by antidiagonals: T(n,k) is the number of [n,k]-triangulations in the plane, n >= 0, k >= 0. A169808
Number of aperiodic arrays of positive integers summing to n. A323867
Number of compositions of n whose run-lengths are either strictly increasing or strictly decreasing. A333191
a(n) = 4·floor(23·2n/15). A102651
a(n) is the number of regions formed by n-secting the angles of a pentagon. A335553
Number of unrooted triangulations of a hexagon with n internal nodes. A5502
Row sums of correlation triangle for (1+x)3/(1-x). A115293
Matrix inverse of triangle A098568, where A098568(n, k) = C( (k+1)*(k+2)/2 + n-k-1, n-k) for n>=k>=0. A121434