Properties of the Number -40168

Forty Thousand One Hundred Sixty-Eight

Basics

Value: -40169 → -40168 → -40167

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ³ × 5021

Divisors: 1, 2, 4, 8, 5021, 10042, 20084, 40168

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7925 Try Today's Challenge

Representations

Binary: -1001110011101000

Octal: -116350

Duodecimal: -1B2B4

Hexadecimal: -9ce8

Square: 1613468224

Square Root: 200.4195599236761

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 permutations of 1..n avoiding adjacent step pattern up, up, up, up, up. A177533

Number of ways to place 4 nonattacking zebras on a 4 X n board. A172222

Given the infinite continued fraction (1+i)+((1+i)/(1+i)+((1+i)/((1+i)+...)))), where i is the square root of (-1), this is the numerator of the real part of the convergents. A93725

Numbers k such that 5·10^k - 9 is prime. A103001

a(n+5) = a(n+4)+a(n+3)+a(n+2)+a(n+1)+2·a(n) with a(0)=2, a(1)=1, a(2)=5, a(3)=10, a(4)=20. A226311

Second differences of the overpartitions. A361298