Properties of the Number -231361

Two Hundred Thirty-One Thousand Three Hundred Sixty-One

Basics

Value: -231362 → -231361 → -231360

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 13 ² × 37 ²

Divisors: 1, 13, 37, 169, 481, 1369, 6253, 17797, 231361

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111000011111000001

Octal: -703701

Duodecimal: -B1A81

Hexadecimal: -387c1

Square: 53527912321

Square Root: 481

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

Crystal ball sequence for D₄ lattice. A7204

Discriminants with exactly 2 associated cyclic cubic fields. A343002

Discriminants with at least 2 associated cyclic cubic fields. A343024

Squares of odd octagonal numbers. A14793

Squares whose internal digits form a square. A77355

Perfect squares in A133459; or perfect squares that are the sums of two nonzero pentagonal pyramidal numbers. A136359

Perfect powers k such that A052409(k) is equal to A052409(A366275(k)). A366278

Number of (w,x,y,z) with all terms in {1,...,n} and w<=2x and y<=2z. A212506

Number of quadruples (w,x,y,z) with all terms in {0,...,n} such that w-x, x-y, and y-z all have the same parity. A212893

Squares with internal digits also forming a square > 0. A69701