Properties of the Number -2241

Two Hundred Forty-One

Basics

Value: -2242 → -2241 → -2240

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 83

Divisors: 1, 3, 9, 27, 83, 249, 747, 2241

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100011000001

Octal: -4301

Duodecimal: -1369

Hexadecimal: -8c1

Square: 5022081

Square Root: 47.3392015141785

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 differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 107", based on the 5-celled von Neumann neighborhood. A270167

Square array of Delannoy numbers D(i,j) (i >= 0, j >= 0) read by antidiagonals. A8288

Rhombic matchstick numbers: a(n) = n*(3·n+2). A45944

a(n) = (1/3)*(n² + 2·n + 3)*(n+1)². A14820

Pinwheel numbers: a(n) = 2·n² + 6·n + 1. A59993

Square array, read by ascending antidiagonals, of the crystal ball sequences for the root lattices of type C_n. A142992

Number of solutions to +- 1 +- 2 +- 3 +- ... +- n = n. A63890

Numbers that are the sum of 3 positive cubes in more than one way. A8917

a(n) = n³ + (n+1)³ + (n+2)³. A27602

Base-16 Armstrong or narcissistic numbers (written in base 10). A161953