Properties of the Number -126701

One Hundred Twenty-Six Thousand Seven Hundred One

Basics

Value: -126702 → -126701 → -126700

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 17 × 29 × 257

Divisors: 1, 17, 29, 257, 493, 4369, 7453, 126701

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11110111011101101

Octal: -367355

Duodecimal: -613A5

Hexadecimal: -1eeed

Square: 16053143401

Square Root: 355.95083930228344

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

Composite numbers k of the form 4u+1 for which the odd part of φ(k) divides k-1. A339870

Triangle T(n, k) = Numbers of inequivalent (mod D₃) ways to place k points on a triangular grid of side n so that no three of them are vertices of an equilateral triangle with sides parallel to the grid. Triangle read by rows. A243207

a(n) = sum of squares of first n positive integers congruent to 1 mod 4. A24381

a(0) = 1; a(n) = ∑_{k=0..floor((n-1)/2)} (-2)^k * a(k) * a(n-2·k-1). A352009