Properties of the Number 48021

Forty-Eight Thousand Twenty-One

Basics

Value: 48020 → 48021 → 48022

Parity: odd

Prime: No

Previous Prime: 48017

Next Prime: 48023

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 16007

Divisors: 1, 3, 16007, 48021

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 1011101110010101

Octal: 135625

Duodecimal: 23959

Hexadecimal: bb95

Square: 2306016441

Square Root: 219.13694348511845

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

T(n,k)=Majority value maps: number of nXk binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal, diagonal and antidiagonal neighbors in a random 0..2 nXk array. A220922

Semiprimes of the form 5·n² + 1. A212707

Numbers whose base-6 representation has exactly 7 runs. A43615

Majority value maps: number of nX4 binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal, diagonal and antidiagonal neighbors in a random 0..2 nX4 array. A220921

Majority value maps: number of 4Xn binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal, diagonal and antidiagonal neighbors in a random 0..2 4Xn array. A220925

Number of nonempty subsets of {1,2,...,n} in which exactly 1/5 of the elements are <= (n-2)/3. A48021