Properties of the Number 46821

Forty-Six Thousand Eight Hundred Twenty-One

Basics

Value: 46820 → 46821 → 46822

Parity: odd

Prime: No

Previous Prime: 46819

Next Prime: 46829

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 15607

Divisors: 1, 3, 15607, 46821

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1011011011100101

Octal: 133345

Duodecimal: 23119

Hexadecimal: b6e5

Square: 2192206041

Square Root: 216.38160735145675

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 vertices formed by drawing the lines connecting any two of the 2*(n+2) perimeter points of a 3 X (n+1) rectangular grid of points (or equally, a 2 X n grid of squares). A331763

Expansion of (1/(1-x)²)*c(x/(1-x)⁴) where c(x) is the g.f. of A000108. A162477

First differences of A213709. A226060

Related to number of digraphs. A3084

a(n) = ∑_d∣n d·Fibonacci(n/d). A66769

Number of nondecreasing arrangements of n numbers in -3..3 with sum zero and sum of squares less than n·12/3. A183929

Number of 1's in binary expansion of 5n+1. A46821