Properties of the Number 54560

Fifty-Four Thousand Five Hundred Sixty

Basics

Value: 54559 → 54560 → 54561

Parity: even

Prime: No

Previous Prime: 54559

Next Prime: 54563

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ⁵ × 5 × 11 × 31

Divisors: 1, 2, 4, 5, 8, 10, 11, 16, 20, 22

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1101010100100000

Octal: 152440

Duodecimal: 276A8

Hexadecimal: d520

Square: 2976793600

Square Root: 233.58082113050293

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 length n+k 0..3 arrays with at most two downsteps in every k consecutive neighbor pairs. A255660

Array read by antidiagonals: T(n,k) is the number of 3-connected triangulations of a disk up to orientation-preserving isomorphisms with n interior nodes and k nodes on the boundary, n >= 1, k >= 3. A341923

Number of 3-connected triangulations of a pentagon up to orientation-preserving isomorphisms with n interior nodes. A341925

a(n) = ∑_{p <= n <= q < 2n, p,q prime} (p·q). A352777

Sum of numbers under a triangle on a spiral staircase of width 10. A111080

a(n) is the number in the first column of the Trithoff (tribonacci) array that starts off the row containing the tail of n times the tribonacci sequence. A351689

a(n) = floor(n(n-1)(n-2)(n-3)/18). A11928

Smallest k such that n⁸+k⁸, n⁴+k⁴, n²+k², n+k are simultaneously prime. A71564

Number of length n+4 0..3 arrays with at most two downsteps in every 4 consecutive neighbor pairs. A255656

Number of length n+4 0..3 arrays with at most two downsteps in every n consecutive neighbor pairs. A255664