Properties of the Number 54821

Fifty-Four Thousand Eight Hundred Twenty-One

Basics

Value: 54820 → 54821 → 54822

Parity: odd

Prime: No

Previous Prime: 54799

Next Prime: 54829

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

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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

Third term of weak prime quartet: p(m-1)-p(m-2) < p(m)-p(m-1) < p(m+1)-p(m). A54821