Properties of the Number -111891

One Hundred Eleven Thousand Eight Hundred Ninety-One

Basics

Value: -111892 → -111891 → -111890

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 13 × 19 × 151

Divisors: 1, 3, 13, 19, 39, 57, 151, 247, 453, 741

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -11011010100010011

Octal: -332423

Duodecimal: -54903

Hexadecimal: -1b513

Square: 12519595881

Square Root: 334.50112107435456

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

Quadrinomial coefficients: C(2+n,n) + C(3+n,n) + C(4+n,n). A5718

a(n) = a(n-2) + a(n-3), with a(0) = 3, a(1) = 2, a(2) = 6. A46877

Numbers k such that k and k² use only the digits 1, 2, 5, 8 and 9. A137011