Properties of the Number -2449

Four Hundred Forty-Nine

Basics

Value: -2450 → -2449 → -2448

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 31 × 79

Divisors: 1, 31, 79, 2449

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100110010001

Octal: -4621

Duodecimal: -1501

Hexadecimal: -991

Square: 5997601

Square Root: 49.48737212663449

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

Row sums of a number triangle related to the Pell numbers. A110331

Expansion of (-1+3·x+2·x²-8·x³+3·x⁵-2·x⁶-2·x⁷+x⁸) / ((x-1)*(x+1)*(x²-2·x-1)*(x²+2·x-1)). A110225

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 411", based on the 5-celled von Neumann neighborhood. A271892

a(n) = n + (n+1)². A28387

a(n) = 2·n² - 1. A56220

Centered 16-gonal numbers. A69129

Second heptagonal numbers: a(n) = n*(5·n+3)/2. A147875

Numbers that are the sum of 9 positive 7th powers. A3376

a(0) = 0 and then alternately even and odd numbers in increasing order such that the sum of any two successive terms is a square. A77221

Number of compositions p(1)+p(2)+...+p(k) = n such that for no part p(i) = i (compositions without fixed points). A238351