Properties of the Number -26730

Twenty-Six Thousand Seven Hundred Thirty

Basics

Value: -26731 → -26730 → -26729

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ⁵ × 5 × 11

Divisors: 1, 2, 3, 5, 6, 9, 10, 11, 15, 18

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110100001101010

Octal: -64152

Duodecimal: -13576

Hexadecimal: -686a

Square: 714492900

Square Root: 163.49311912126456

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 4's in all partitions of n. A24788

Expansion of 1/(1-3·x)⁸; 8-fold convolution of A000244 (powers of 3). A36221

First differences of (n+1)⁵-n⁵. A68236

Number of multisets summing to n that do not contain 1 and are not the first sums of any multiset. A390431

a(1)=1; thereafter, a(n+1) = 20·n³ + 10·n. A101098

Numbers of the form p⁵*q·r*s where p, q, r, and s are distinct primes. A179704

a(n) = 3⁴ * binomial(n+3, 4). A102741

Numbers k such that k is a multiple of A005941(k). A364550

The number of partitions of n into parts so that there exists exactly one part whose multiplicity is equal to its value. A391611

A convolution triangle of numbers obtained from A025751. A49224