Properties of the Number 22401

Twenty-Two Thousand Four Hundred One

Basics

Value: 22400 → 22401 → 22402

Parity: odd

Prime: No

Previous Prime: 22397

Next Prime: 22409

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 19 × 131

Divisors: 1, 3, 9, 19, 57, 131, 171, 393, 1179, 2489

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101011110000001

Octal: 53601

Duodecimal: 10B69

Hexadecimal: 5781

Square: 501804801

Square Root: 149.66963619919707

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) = 14·n² + 1. A158482

a(n) = 729·n - 198. A156772

Number of distinct sets of nonnegative integers with perimeter n, as defined in the comments. A182372

a(n) = 56·n² + 1. A158660

Integers k equal to the sum over A000203(t) mod t, for some steps, starting with t = k and then using the result to feed the next calculation. A377001

Numbers k such that in base 2 the k-th composite is a substring of the k-th prime. A378479

Padovan-like sequence; a(0)=2, a(1)=1, a(2)=1, a(n) = a(n-2) + a(n-3). A141038

Fibonacci sequence beginning 1, 31. A22401