Properties of the Number -186494

One Hundred Eighty-Six Thousand Four Hundred Ninety-Four

Basics

Value: -186495 → -186494 → -186493

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 2 × 7 ² × 11 × 173

Divisors: 1, 2, 7, 11, 14, 22, 49, 77, 98, 154

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -101101100001111110

Octal: -554176

Duodecimal: -8BB12

Hexadecimal: -2d87e

Square: 34780012036

Square Root: 431.84951082524105

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 non-crossing connected graphs on n nodes on a circle in which a fixed (distinguished) node has degree one. A89436

Triangle read by rows: T(n,k) is the number of non-crossing connected graphs on n nodes on a circle in which the root (a distinguished node) has degree k (n >= 2, 1 <= k <= n-1). A143022

a(n) = T(2n,n), where T is the array in A026148. A26157

a(n) = T(n,[ n/2 ]), where T is the array in A026148. A26162