Properties of the Number 8820

Eight Thousand Eight Hundred Twenty

Basics

Value: 8819 → 8820 → 8821

Parity: even

Prime: No

Previous Prime: 8819

Next Prime: 8821

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 5 × 7 ²

Divisors: 1, 2, 3, 4, 5, 6, 7, 9, 10, 12

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 10001001110100

Octal: 21164

Duodecimal: 5130

Hexadecimal: 2274

Square: 77792400

Square Root: 93.91485505499116

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) = n³ - n². A45991

a(n) = 5·n². A33429

Exponential abundant numbers: integers k for which A126164(k) > k, or equivalently for which A051377(k) > 2k. A129575

Number triangle T(n,k) = C(n,n-k)*C(n+1,n-k). A103371

Triangle read by rows: T(n,k) is the number of permutations of n elements that have the longest cycle length k. A126074

a(n) = (2·n)!*(2·n+1)! /((n+1)! *n!³). A894

Numbers with exactly 4 distinct prime divisors {2,3,5,7}. A147571

Numbers whose prime factors span an initial interval of prime numbers and whose prime multiplicities span an initial interval of positive integers. A317089

Number of walks of length n on square lattice, starting at origin, staying in first quadrant. A5566

Intermediate edge b of smallest (measured by the longest edge) primitive Euler bricks (a, b, c, sqrt(a² + b²), sqrt(b² + c²), sqrt(a² + c²) are integers). A31174