Properties of the Number 12896

Twelve Thousand Eight Hundred Ninety-Six

Basics

Value: 12895 → 12896 → 12897

Parity: even

Prime: No

Previous Prime: 12893

Next Prime: 12899

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ⁵ × 13 × 31

Divisors: 1, 2, 4, 8, 13, 16, 26, 31, 32, 52

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 11001001100000

Octal: 31140

Duodecimal: 7568

Hexadecimal: 3260

Square: 166306816

Square Root: 113.56055653262712

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

Number of regions in regular n-gon which are quadrilaterals (4-gons) when all its diagonals are drawn. A67151

Number of ways to place 2 nonattacking bishops on an n X n board. A172123

Even numbers k such that 6k+1, 12k+1, 18k+1, 36k+1 and 72k+1 are all primes. A206349

a(n) = T(2·n+3,n), array T as in A055807. A55815

Numbers which are the sum of two positive cubes and divisible by 31. A102658

Numbers m such that the GCD of the x's that satisfy σ(x) = m is 3. A241648

Numbers m such that 6m+1, 12m+1, 18m+1, 36m+1 and 72m+1 are all prime. A257035

Number of different words that can be formed from an n X n grid of letters, reading horizontally, vertically or diagonally. A34720

G.f. A(x) satisfies: A(x)² = A( x²/(1 - 4·x - 2·x²) ). A274483

a(n) = prime(n)² + prime(n+1). A352851