Properties of the Number -166931

One Hundred Sixty-Six Thousand Nine Hundred Thirty-One

Basics

Value: -166932 → -166931 → -166930

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 166931

Divisors: 1, 166931

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7989 Try Today's Challenge

Representations

Binary: -101000110000010011

Octal: -506023

Duodecimal: -8072B

Hexadecimal: -28c13

Square: 27865958761

Square Root: 408.5719030966275

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

Zeroless primes that remain prime if any digit is deleted. A34302

a(n) = ceiling(A013984(n)/2). A173697

Table T(n,k), 0 < n and 0 <= k < n, where the n-th row contains the smallest n-digit primes that remain prime even if any k of their digits are deleted, or -1 if no such prime exists. A378697