Properties of the Number 56864

Fifty-Six Thousand Eight Hundred Sixty-Four

Basics

Value: 56863 → 56864 → 56865

Parity: even

Prime: No

Previous Prime: 56857

Next Prime: 56873

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 ⁵ × 1777

Divisors: 1, 2, 4, 8, 16, 32, 1777, 3554, 7108, 14216

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: 1101111000100000

Octal: 157040

Duodecimal: 28AA8

Hexadecimal: de20

Square: 3233514496

Square Root: 238.46173697262208

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

Numbers k such that φ(k) = φ(k+1). A1274

Number A(n,k) of tilings of a k X n rectangle using pentominoes of any shape and monominoes; square array A(n,k), n>=0, k>=0, read by antidiagonals. A278657

Number of tilings of a 5 X n rectangle using pentominoes of any shape and monominoes. A278456

Triangle formed when the cumulative boustrophedon transform is applied to 1, 1, 1, 1, ..., read by rows from left to right. A59433

Triangle formed when cumulative boustrophedon transform is applied to 1, 1, 1, 1, ..., read by rows in natural order. A59434

Numbers k such that λ(k) = λ(k+1). A173695

Number of tilings of a 4 X n rectangle using pentominoes of any shape and monominoes. A278876

G.f. A(x) satisfies A(x) = 1 + abs( x/A(x)² ). A384267

Nearest integer to n²/10. A56864

Number of (n+1)X4 0..1 arrays with the sums of 2X2 subblocks nondecreasing rightwards and downwards. A204034