Properties of the Number -523087

Five Hundred Twenty-Three Thousand Eighty-Seven

Basics

Value: -523088 → -523087 → -523086

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 691 × 757

Divisors: 1, 691, 757, 523087

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7989 Try Today's Challenge

Representations

Binary: -1111111101101001111

Octal: -1775517

Duodecimal: -212867

Hexadecimal: -7fb4f

Square: 273620009569

Square Root: 723.2475371544655

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) is the number of numbers m such that the number of iterations of r -> r - (largest divisor d < r) needed to reach 1 starting at r = m is equal to n. A175125

a(n) = 3·a(n-1) + a(n-2), with a(0)=4, a(1)=11. A282702

a(n) = 2·a(n-2)+4·a(n-4)+a(n-6), n>9. A107856