Properties of the Number -1291316

Two Hundred Ninety-One Thousand Three Hundred Sixteen

Basics

Value: -1291317 → -1291316 → -1291315

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 13 × 19 × 1307

Divisors: 1, 2, 4, 13, 19, 26, 38, 52, 76, 247

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -100111011010000110100

Octal: -4732064

Duodecimal: -523358

Hexadecimal: -13b434

Square: 1667497011856

Square Root: 1136.3608581784222

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

Second class of all proper positive solutions y2(n) = a(n) of the Pell equation x² - 7·y² = 9. A307173

Number of forests with at most n unlabeled nodes. A386399