Properties of the Number -10890

Ten Thousand Eight Hundred Ninety

Basics

Value: -10891 → -10890 → -10889

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 5 × 11 ²

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: -10101010001010

Octal: -25212

Duodecimal: -6376

Hexadecimal: -2a8a

Square: 118592100

Square Root: 104.35516278555652

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) = 10·n². A33583

Numbers n that raised to the powers from 1 to k (with k>=1) are multiple of the sum of their digits (n raised to k+1 must not be a multiple). Case k=7. A135192

Triangle read by rows where T(n,k) is the number of labeled simple graphs with n vertices and exactly k endpoints (vertices of degree 1). A327369

Numbers k such that k and 9·k are anagrams. A23093

Neither the unsorted prime signature of a(n) nor the negated unsorted prime signature of a(n) is unimodal. A332643

Number of polyominoes consisting of 5 regular unit n-gons. A103471

Numbers that have exactly six prime factors counted with multiplicity (A046306) whose digit reversal is different and also has 6 prime factors (with multiplicity). A109026

Numbers k such that k-1, k+1 and k²+1 are prime numbers. A70155

11 times triangular numbers. A152740

Trajectory of 9 under map x->x + (x-with-digits-reversed). A33651