Properties of the Number -54821

Fifty-Four Thousand Eight Hundred Twenty-One

Basics

Value: -54822 → -54821 → -54820

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 13 × 4217

Divisors: 1, 13, 4217, 54821

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7925 Try Today's Challenge

Representations

Binary: -1101011000100101

Octal: -153045

Duodecimal: -27885

Hexadecimal: -d625

Square: 3005342041

Square Root: 234.138847695123

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 partitions p of n such that (number of numbers of the form 5k + 2 in p) is a part of p. A241551

a(0) = 1; a(n+1) = ∑_k=0..n k^k * a(n-k). A361828