Properties of the Number -165821

One Hundred Sixty-Five Thousand Eight Hundred Twenty-One

Basics

Value: -165822 → -165821 → -165820

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 79 × 2099

Divisors: 1, 79, 2099, 165821

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -101000011110111101

Octal: -503675

Duodecimal: -7BB65

Hexadecimal: -287bd

Square: 27496604041

Square Root: 407.2112473888706

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 nondecreasing arrangements of n numbers in -5..5 with sum zero. A183913

Number of strictly increasing arrangements of n numbers in -(n+3)..(n+3) with sum zero. A188177