Properties of the Number -67081

Sixty-Seven Thousand Eighty-One

Basics

Value: -67082 → -67081 → -67080

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 7 ² × 37 ²

Divisors: 1, 7, 37, 49, 259, 1369, 1813, 9583, 67081

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: -10000011000001001

Octal: -203011

Duodecimal: -329A1

Hexadecimal: -10609

Square: 4499860561

Square Root: 259

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

First term of n-th difference sequence of (floor(2e·k)), k >= 0. A325736

a(n) = (11·n + 6)². A17462

Squares with initial digit '6'. A45789

Cyclops squares: squares (A000290) that are also cyclops numbers (A134808). A160711

Squares which are palindromes in base 6. A29991

Discriminants of cyclic cubic fields. A343000

Discriminants with exactly 2 associated cyclic cubic fields. A343002

Discriminants with at least 2 associated cyclic cubic fields. A343024

Denominator of 1/49 - 1/n². A61048

Numbers k such that τ(k) - τ(k+1) = 1. A68208