Properties of the Number -161926

One Hundred Sixty-One Thousand Nine Hundred Twenty-Six

Basics

Value: -161927 → -161926 → -161925

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 80963

Divisors: 1, 2, 80963, 161926

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -100111100010000110

Octal: -474206

Duodecimal: -7985A

Hexadecimal: -27886

Square: 26220029476

Square Root: 402.40029821062507

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

Array T(m,n) read by antidiagonals: T(m,n) = number of ways of 3-coloring an m X n grid (m >= 1, n >= 1). A78099

a(n+2) = 5·a(n+1) - 2·a(n), with a(0) = 1, a(1) = 4. A52913

a(n) = 5·a(n-2) - 2·a(n-4), with initial terms 0,1,2,4. A79162