Properties of the Number -911

Nine Hundred Eleven

Basics

Value: -912 → -911 → -910

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 911

Divisors: 1, 911

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1110001111

Octal: -1617

Duodecimal: -63B

Hexadecimal: -38f

Square: 829921

Square Root: 30.18277654557314

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

Expansion of (1-x-x^N)/((1-x)(1-x²)(1-x³)...(1-x^N)) for N = 4. A60023

First term of n-th difference sequence of (floor(r·k)), r = -(1+sqrt(5))/2, k >= 0. A325746

Expansion of 1/sqrt(1-6x+13x²). A98338

Row sums of triangle A113288. A113289

Expansion of (1-5x²-7x³-2x⁴+x⁶)/((1-x)(1-x³)²). A141365

Alternating sum of 9-gonal (or decagonal) pyramidal numbers. A269440

Sophie Germain primes p: 2p+1 is also prime. A5384

Primes having only {1, 2, 9} as digits. A385776

Primes of the form k² + k + 41. A5846

Primes of the form 10·n+1. A30430