Properties of the Number -161995

One Hundred Sixty-One Thousand Nine Hundred Ninety-Five

Basics

Value: -161996 → -161995 → -161994

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 5 × 179 × 181

Divisors: 1, 5, 179, 181, 895, 905, 32399, 161995

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100111100011001011

Octal: -474313

Duodecimal: -798B7

Hexadecimal: -278cb

Square: 26242380025

Square Root: 402.4860246020972

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

Triangle, read by rows, where row n forms a polynomial in y=3·k that generates diagonal n as k=0,1,2,... for n>=0; thus T(n,k) = ∑_j=0..n-k T(n-k,j)*(3·k)^j, with T(n,0)=T(n,n)=1. A113716

Column 1 of triangle A113716, in which row n forms a polynomial in y=3·k that generates diagonal n as k=0,1,2,... for n>=0. A113717