Properties of the Number 69242

Sixty-Nine Thousand Two Hundred Forty-Two

Basics

Value: 69241 → 69242 → 69243

Parity: even

Prime: No

Previous Prime: 69239

Next Prime: 69247

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 89 × 389

Divisors: 1, 2, 89, 178, 389, 778, 34621, 69242

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000111001111010

Octal: 207172

Duodecimal: 340A2

Hexadecimal: 10e7a

Square: 4794454564

Square Root: 263.1387466717891

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

The number of tilings of an equilateral triangle of side length n with k lozenges and n² - 2·k unit triangles. Triangle T(n, k) with n >= 1 and 0 <= k <= n*(n + 1)/2, read by rows. A273464

Length of hypotenuse squared in right triangle formed by a palindromic spiral plotted in Cartesian coordinates. A48871

Number of 0..n arrays of length 6 with each element differing from at least one neighbor by something other than 1, starting with 0. A221544

Numerators of coefficients in Airy-type asymptotic expansion. A69242