Properties of the Number 8480

Eight Thousand Four Hundred Eighty

Basics

Value: 8479 → 8480 → 8481

Parity: even

Prime: No

Previous Prime: 8467

Next Prime: 8501

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ⁵ × 5 × 53

Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 10000100100000

Octal: 20440

Duodecimal: 4AA8

Hexadecimal: 2120

Square: 71910400

Square Root: 92.0869154657707

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) = 2·a(n-1) + 2·a(n-2) for n > 1; a(0)=2, a(1)=2. A80040

Numbers k such that A102489(k) is divisible by k. A32563

Numbers whose product of prime indices is twice their sum of prime indices. A326151

Triangle read by rows: T(n,k) = number of configurations of k nonattacking bishops on the black squares of an n X n chessboard (0 <= k <= n - [n>1]). A274105

Expansion of e.g.f. A(x) satisfying A(x) = ∑_n>=0 (A(x)ⁿ + 3)ⁿ * xⁿ/n!. A361054

Numbers whose binary indices are connected and pairwise indivisible, where two numbers are connected iff they have a common factor. A hybrid ranking sequence for connected antichains of multisets. A371294

Number of subsets of {1,2,...,n-8} without differences equal to 2, 4, 6 or 8. A224811

Heinz numbers of integer partitions whose LCM is twice their sum. A327775

Numbers k for which σ(k - x) + σ(k + x) = 7·k has at least one nonnegative solution. A384840

dot_product(n,n-1,...2,1)*(7,8,...,n,1,2,3,4,5,6). A26066