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Properties of the Number 28922

Twenty-Eight Thousand Nine Hundred Twenty-Two

Basics

Value: 28921 → 28922 → 28923

Parity: even

Prime: No

Previous Prime: 28921

Next Prime: 28927

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 14461

Divisors: 1, 2, 14461, 28922

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111000011111010

Octal: 70372

Duodecimal: 148A2

Hexadecimal: 70fa

Square: 836482084

Square Root: 170.06469357276953

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

Number of n-node rooted trees of height at most 7. A34824
Irregular table read by rows: Take a triangle with Pythagorean triple leg lengths with all diagonals drawn, as in A332978. Then T(n,k) = number of k-sided polygons in that figure for k >= 3 where the legs are divided into unit length parts. A333135
Number of partitions p of n such that (maximal multiplicity over the parts of p) = (number of numbers in p having multiplicity > 1). A241132
Compound filter: a(n) = P(A257993(n), A278226(n)), where P(n,k) is sequence A000027 used as a pairing function. A286382
Numbers k such that the continued fraction for sqrt(k) has period 49. A20388
Number of 0..n arrays of length 3 with each element differing from at least one neighbor by something other than 1. A221574
Number of n X 2 0..2 arrays with some element plus some horizontally, vertically or antidiagonally adjacent neighbor totalling two not more than once. A268803
Number of walks within N3 (the first octant of Z3) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 1), (-1, 1, 1), (0, 1, -1), (1, -1, 0), (1, 0, 0)}. A148875
Numbers n such that there are precisely 2 groups of order n and 3 of order n + 1. A296025
T(n,k)=Number of nXk 0..2 arrays with some element plus some horizontally, vertically or antidiagonally adjacent neighbor totalling two not more than once. A268809