Properties of the Number -7481

Four Hundred Eighty-One

Basics

Value: -7482 → -7481 → -7480

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 7481

Divisors: 1, 7481

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1110100111001

Octal: -16471

Duodecimal: -43B5

Hexadecimal: -1d39

Square: 55965361

Square Root: 86.49277426467485

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

Coefficient of·in minimal polynomial of the continued fraction [2,1ⁿ,2,1,1,...], where 1ⁿ means n ones. A266709

a(n) = floor(3ⁿ / 2ⁿ). A2379

Partial sums of A299266. A299267

Primes of the form k² - k - 1. A2327

Number of compositions of n whose negation is not unimodal. A332669

Primes such that the sum of the predecessor and successor primes is divisible by 29. A112859

Primes such that the sum of the predecessor and successor primes is divisible by 43. A113158

a(n) = 4·n² - 6·n + 1. A125202

Larger of two consecutive prime numbers such that p1·p2·d + d = average of twin prime pairs, d (δ) = p2 - p1. A153377

Primes of form n² + 256. A256776