Properties of the Number 56526

Fifty-Six Thousand Five Hundred Twenty-Six

Basics

Value: 56525 → 56526 → 56527

Parity: even

Prime: No

Previous Prime: 56519

Next Prime: 56527

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 9421

Divisors: 1, 2, 3, 6, 9421, 18842, 28263, 56526

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 1101110011001110

Octal: 156316

Duodecimal: 28866

Hexadecimal: dcce

Square: 3195188676

Square Root: 237.7519716006578

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

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the diagonal and antidiagonal minus the sum of the medians of the central row and column nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A258511

Triangle read by rows: T(n,g) = number of general immersions of a circle with n crossings in a surface of arbitrary genus g (the circle is oriented, the surface is unoriented). A260885

Number of (n+2)X(2+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the diagonal and antidiagonal minus the sum of the medians of the central row and column nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A258505

Number of (3+2)X(n+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the diagonal and antidiagonal minus the sum of the medians of the central row and column nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A258513

Indices of Ulam prime triples, where u(k), u(k+1) and u(k+2) are all primes, and u(k) = A002858(k) are the Ulam numbers. A307330

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, 1, 1), (0, 0, 1), (0, 1, 1), (1, -1, 1), (1, 1, -1)}. A150645

First differences of Flavius Josephus's sieve. A56526