Properties of the Number 55280

Fifty-Five Thousand Two Hundred Eighty

Basics

Value: 55279 → 55280 → 55281

Parity: even

Prime: No

Previous Prime: 55259

Next Prime: 55291

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ⁴ × 5 × 691

Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101011111110000

Octal: 153760

Duodecimal: 27BA8

Hexadecimal: d7f0

Square: 3055878400

Square Root: 235.11699215496952

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

a(n) = 10·binomial(n,5) + 6·binomial(n,4) + binomial(n,3) + binomial(n,2). A380445

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (0, 1, 1), (1, 0, 1), (1, 1, -1)}. A150129

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 1, 1), (0, 0, 1), (1, 0, -1), (1, 1, 1)}. A150806

Number of rooted trees with n nodes and 5 leaves. A55280