Properties of the Number -769

Seven Hundred Sixty-Nine

Basics

Value: -770 → -769 → -768

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 769

Divisors: 1, 769

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -1100000001

Octal: -1401

Duodecimal: -541

Hexadecimal: -301

Square: 591361

Square Root: 27.730849247724095

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

a(n) = a(n-1) - a(n-3) with a(1)=0, a(2)=0, a(3)=1. A50935

Expansion of g.f. -x/(1+x-x³). A104769

a(n) = -n² + 9·n + 23. A126719

a(n) = 3*(-1)ⁿ⁺¹*2ⁿ - 1. A140683

Expansion of (1+x²)/(1-x⁴+x⁵). A124746

Numerators of the partial alternating sums of the reciprocals of the powerfree part function (A055231). A379581

Expansion of (1-x)/(1-x+2·x²-x³). A78019

a(0)=-1, a(1)=0, a(2)=1, a(n) = a(n-1) - 2·a(n-2) + a(n-3). A141576

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

Start with 1, add 1, subtract 2, multiply by 3, add 4, subtract 5, multiply by 6, add 7, etc. A252729