Properties of the Number 86480

Eighty-Six Thousand Four Hundred Eighty

Basics

Value: 86479 → 86480 → 86481

Parity: even

Prime: No

Previous Prime: 86477

Next Prime: 86491

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ⁴ × 5 × 23 × 47

Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 23, 40

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 10101000111010000

Octal: 250720

Duodecimal: 42068

Hexadecimal: 151d0

Square: 7478790400

Square Root: 294.0748204114048

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) = A016755(n) - A001845(n). A188050

Table read by antidiagonals: Place k points in general position on each side of a regular n-gon and join every pair of the n*(k+1) boundary points by a chord; T(n,k) (n >= 3, k >= 0) gives number of regions in the resulting planar graph. A366253

Erroneous version of A056135. A86480

Numbers n such that the sum of the digits of (n! - 1) is divisible by n. A109676