Properties of the Number 13456

Thirteen Thousand Four Hundred Fifty-Six

Basics

Value: 13455 → 13456 → 13457

Parity: even

Prime: No

Previous Prime: 13451

Next Prime: 13457

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ⁴ × 29 ²

Divisors: 1, 2, 4, 8, 16, 29, 58, 116, 232, 464

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11010010010000

Octal: 32220

Duodecimal: 7954

Hexadecimal: 3490

Square: 181063936

Square Root: 116

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

Perfect powers of nonsquarefree numbers k that are not squareful. A386762

Triangle T(n,k), 0 <= k <= n, read by rows given by: T(0,0)=1, T(n,k)=0 if k < 0 or if k > n, T(n,0) = T(n-1,1), T(n,k) = T(n-1,k-1) + 3·T(n-1,k) + T(n-1,k+1) for k >= 1. A126970

a(n) = (4·n)². A16802

a(n) = (3n+2)². A16790

a(n) = (5·n + 1)². A16862

Numbers with prime factorization p²*q⁴. A189988

Powers k^m, m > 1, such that k is neither squarefree nor perfect power. A389864

a(n) = (11·n + 6)². A17462

Squares with initial digit '1'. A45784

a(n) = A000404(n)². A135784