Properties of the Number 28878

Twenty-Eight Thousand Eight Hundred Seventy-Eight

Basics

Value: 28877 → 28878 → 28879

Parity: even

Prime: No

Previous Prime: 28871

Next Prime: 28879

Digit Sum: 33

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 4813

Divisors: 1, 2, 3, 6, 4813, 9626, 14439, 28878

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 111000011001110

Octal: 70316

Duodecimal: 14866

Hexadecimal: 70ce

Square: 833938884

Square Root: 169.93528179868946

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 length 5+2 0..n arrays with every three consecutive terms having the sum of some two elements equal to twice the third. A248438

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 246", based on the 5-celled von Neumann neighborhood. A271010

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, 0), (0, 0, -1), (1, -1, 1), (1, 1, 0)}. A149193

a(n) = (n+3)² - 6. A28878

Number of nX4 0..1 arrays with every element unequal to 2, 3, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A318218