Properties of the Number -168245

One Hundred Sixty-Eight Thousand Two Hundred Forty-Five

Basics

Value: -168246 → -168245 → -168244

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 5 × 7 × 11 × 19 × 23

Divisors: 1, 5, 7, 11, 19, 23, 35, 55, 77, 95

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101001000100110101

Octal: -510465

Duodecimal: -81445

Hexadecimal: -29135

Square: 28306380025

Square Root: 410.176791152303

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

Distinct odd numbers in the triangle of denominators in Leibniz's Harmonic Triangle. A46201

Group the natural numbers so that the n-th group contains the smallest still-available set of n numbers whose product is a square. A76031

Final members of groups in A076031. A76028

Coefficients of Chebyshev polynomials. A5584

a(n) = A332560(n)/A332559(n). A332561

Denominator of 1/3 + 1/7 + 1/11 + ... + 1/(4n-1). A74638

Triangle read by rows: T(n,k) = number of connected matchings with n crossings and k chords, in a disk, k=2..n+1. A232223

A sequence derived from pentagonal numbers, or a Stirling number of the first kind matrix. A94952

a(n) = n·binomial(n+4, 4). A174002

Sum of jump-lengths of all even trees with 2n edges. A127536