Properties of the Number -2041

Forty-One

Basics

Value: -2042 → -2041 → -2040

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 7

Digital Root: 7

Palindrome: No

Factorization: 13 × 157

Divisors: 1, 13, 157, 2041

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -11111111001

Octal: -3771

Duodecimal: -1221

Hexadecimal: -7f9

Square: 4165681

Square Root: 45.17742799230607

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) = 3^-1-floor(n/3)*A215829(n). A215831

Number of n-node connected graphs with at most one cycle. A5703

Generalized 28-gonal (or icosioctagonal) numbers: m*(13·m - 12) with m = 0, +1, -1, +2, -2, +3, -3, ... A303812

Take an n X n square grid of points in the plane; a(n) = number of ways to divide the points into two sets using a straight line. A114043

q-factorial numbers 3!_q. A69778

Numbers n with property that, reading binary expansion of n from right to left, run lengths strictly increase. A37015

Sizes of successive clusters in Z⁴ lattice. A46895

Numbers k such that k² divides 14^k - 1. A128394

E.g.f. satisfies A(x) = exp(x + x²*A(x)²). A143768

Numbers k such that k³ divides 14^k² - 1. A177914