Properties of the Number -142588

One Hundred Forty-Two Thousand Five Hundred Eighty-Eight

Basics

Value: -142589 → -142588 → -142587

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 43 × 829

Divisors: 1, 2, 4, 43, 86, 172, 829, 1658, 3316, 35647

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -100010110011111100

Octal: -426374

Duodecimal: -6A624

Hexadecimal: -22cfc

Square: 20331337744

Square Root: 377.6082626214633

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

Number of cubic equations ax³ + bx² + cx + d = 0 with integer coefficients |a|,|b|,|c|,|d| <= n, a <> 0, having three distinct real roots. A155191

a(n) = Sum_[k unrelated to n and k<n] a(k) = Sum_[k < n such that GCD(k,n) ≠ 1 and k does not divide n ] a(k); a(1) = a(2) = a(3) = a(4) = 1. A118657