Properties of the Number 2822

Two Thousand Eight Hundred Twenty-Two

Basics

Value: 2821 → 2822 → 2823

Parity: even

Prime: No

Previous Prime: 2819

Next Prime: 2833

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 × 17 × 83

Divisors: 1, 2, 17, 34, 83, 166, 1411, 2822

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 101100000110

Octal: 5406

Duodecimal: 1772

Hexadecimal: b06

Square: 7963684

Square Root: 53.1224999411737

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

First spoke of a hexagonal spiral. A56105

Eight bishops and one elephant on a 3 X 3 chessboard. G.f.: (1 - x - x²)/(1 - 3·x - x² + 6·x³). A175654

Number of length n inversion sequences avoiding the patterns 000, 010, 110, and 120. A279551

G.f. satisfies: A(x) = Series_Reversion(x - x²*A'(x)). A229619

Number of partitions of n having no parts with multiplicity 7. A184642

Numbers in which 2 outnumbers all other digits together. A292732

G.f. A(x) satisfies: A(x) = 1 + x + x² + x³ + x⁴*A(x)². A307971

Number T(n,k) of colored compositions of n using all colors of a k-set such that all parts have different color patterns and the patterns for parts i are sorted and have i colors in (weakly) increasing order; triangle T(n,k), n>=0, 0<=k<=n, read by rows. A327244

Number of strict integer partitions of n whose length is the sum of two distinct parts. A367395

a(n) = 2·n² + 15·n. A139579