Properties of the Number -24805

Twenty-Four Thousand Eight Hundred Five

Basics

Value: -24806 → -24805 → -24804

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 × 11 ² × 41

Divisors: 1, 5, 11, 41, 55, 121, 205, 451, 605, 2255

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110000011100101

Octal: -60345

Duodecimal: -12431

Hexadecimal: -60e5

Square: 615288025

Square Root: 157.4960316960399

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) = (3 + 2·n + 6·n² + 4·n³)/3. A166464

G.f. A(x) satisfies: A(x) = 1 + x + x² * A(x/(1 - x)) / (1 - x)². A351437

Number of partitions of n whose greatest part is a multiple of 5. A363047

a(n) = T(n,n+4), T given by A027023. A27026

a(n) = n⁴ + 2·n³ + 4·n² + 3·n + 1 = ((n+1)⁵+n⁵) / (2·n+1). A72025

Number of 4-cycles in the n X n rook graph. A288962

G.f. A(x) satisfies: x = 1 - A(x) - A(x)³ + A(x)⁵. A295543

a(n) = T(n,2n-10), T given by A027023. A27034

Number of planar partitions of n where parts decrease by at most 1 along each row and column. A392511

Numbers k such that ∑_i=1..k d(i)² is a square c², where d(i) is the number of divisors of i. A186429