Properties of the Number 84366

Eighty-Four Thousand Three Hundred Sixty-Six

Basics

Value: 84365 → 84366 → 84367

Parity: even

Prime: No

Previous Prime: 84349

Next Prime: 84377

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 43 × 109

Divisors: 1, 2, 3, 6, 9, 18, 43, 86, 109, 129

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100100110001110

Octal: 244616

Duodecimal: 409A6

Hexadecimal: 1498e

Square: 7117621956

Square Root: 290.4582586190312

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

Expansion of g.f.: 1/((1 - x² - x³ - x⁴ - x⁵ - x⁶ - x⁷)*(1 + x + x² + x³ + x⁴ + x⁵ - x⁷)). A147605

Irregular triangle read by rows: T(n,k) = number of ways k brooks (0 <= k <= 2n+1) can be placed on the grid points of an n triboard so that no two brooks lie in the same straight line. A260333

Number of nX4 0..1 arrays with every element unequal to 0, 2, 3, 4, 5 or 7 king-move adjacent elements, with upper left element zero. A305950

Numbers n such that the n-th prime number has an odd number of digits and becomes composite if the central digit is removed. A84366