Properties of the Number -18954

Eighteen Thousand Nine Hundred Fifty-Four

Basics

Value: -18955 → -18954 → -18953

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ⁶ × 13

Divisors: 1, 2, 3, 6, 9, 13, 18, 26, 27, 39

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100101000001010

Octal: -45012

Duodecimal: -AB76

Hexadecimal: -4a0a

Square: 359254116

Square Root: 137.6735268670052

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) = 9ⁿ - n⁹. A24110

Table T(n,k) = kⁿ - n^k, n, k > 0, read by descending antidiagonals. A220417

Expansion of η(q)⁹ * η(q⁵)³ in powers of q. A227900

a(n) = n³ - n². A45991

Jordan function J₃(n). A59376

a(n) = 3ⁿ - n³. A24026

Last number of height n in Recamán's sequence A005132. A64293

Expansion of (∏_j>=1 (1-(-x)^j) - 1)⁹ in powers of x. A1487

a(n) = 26·n². A244633

Numbers n such that the sum of the inverse of the exponents in the binary expansion of 2n is equal to 1. A272036