Properties of the Number 28876

Twenty-Eight Thousand Eight Hundred Seventy-Six

Basics

Value: 28875 → 28876 → 28877

Parity: even

Prime: No

Previous Prime: 28871

Next Prime: 28879

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 7219

Divisors: 1, 2, 4, 7219, 14438, 28876

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111000011001100

Octal: 70314

Duodecimal: 14864

Hexadecimal: 70cc

Square: 833823376

Square Root: 169.92939710362066

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

Antidiagonal sums of the convolution array A213590. A213557

McKay-Thompson series of class 29A for Monster. A58611

Positions of 11's in A131744. A133152

McKay-Thompson series of class 29A for the Monster group with a(0) = 2. A136570

Number of integer partitions of n where the least part is the unique mode. A364193

Numbers k such that k and k² use only the digits 2, 3, 6, 7 and 8. A137088

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 387", based on the 5-celled von Neumann neighborhood. A271545

Convolution of natural numbers n >= 1 with Fibonacci numbers F(k), for k >= -7, with F(-n)=(-1)ⁿ⁺¹*F(n). A37158

Numbers k such that k² - 5 is prime. A28876

Number of nX4 0..1 arrays with every element equal to 0, 1, 2, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302816