Properties of the Number 20482

Twenty Thousand Four Hundred Eighty-Two

Basics

Value: 20481 → 20482 → 20483

Parity: even

Prime: No

Previous Prime: 20479

Next Prime: 20483

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 × 7 ² × 11 × 19

Divisors: 1, 2, 7, 11, 14, 19, 22, 38, 49, 77

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101000000000010

Octal: 50002

Duodecimal: BA2A

Hexadecimal: 5002

Square: 419512324

Square Root: 143.1153381018261

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) = ceiling((∑_k=1..n-1 a(k)) / 2) for n >= 2 starting with a(1) = 1. A73941

Numbers that are the sum of 12 positive 11th powers. A4823

a(n) = ceiling((1 + sum of preceding terms) / 2) starting with a(0) = 1. A5428

Arkons: number of elementary maps with n-1 nodes. A6343

Sum of all the parts in the partitions of n into 10 squarefree parts. A326627

a(n) = n!*∑_d∣n (-1)^d+1/(d!*(n/d)!^d). A132962

Number of ways to place 3 nonattacking wazirs on a 3 X n board. A172229

a(n) = (n-1)*2ⁿ + 2. A48495

Subsequence of A005428 with state = 1. A81614

a(0) = 1, a(n) = 20·n² + 2 for n>0. A10010