Properties of the Number -121393

One Hundred Twenty-One Thousand Three Hundred Ninety-Three

Basics

Value: -121394 → -121393 → -121392

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 233 × 521

Divisors: 1, 233, 521, 121393

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11101101000110001

Octal: -355061

Duodecimal: -5A301

Hexadecimal: -1da31

Square: 14736260449

Square Root: 348.4149824562658

Classification

Fibonacci: Yes

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+2) = -a(n+1) + a(n) (signed Fibonacci numbers) with a(-2) = a(-1) = 1; or Fibonacci numbers (A000045) extended to negative indices. A39834

First term of the n-th differences of the powers of primes. Inverse zero-based binomial transform of A000961. A377054

a(n) = a(n-1)+a(n-2), n>1 ; a(0)=1, a(1)=-1. A152163

Expansion of (1-x)*(1-x+x²)/(1-3·x+4·x²-2·x³+x⁴). A105371

A transform of the Fibonacci numbers. A103311

Expansion of (x-1)*(x+1) / (8·x² + 1 - 3·x + x⁴ - 3·x³). A108196

Binomial transform of 1, 1, 0, -1, -1 (periodically continued). A138003

a(n) = F(n) * (-1)^n*(n-1/2) where F(n) = A000045(n) Fibonacci numbers. A333378

First differences of A135992. A135994

Fibonacci numbers: F(n) = F(n-1) + F(n-2) with F(0) = 0 and F(1) = 1. A45