Properties of the Number 28176

Twenty-Eight Thousand One Hundred Seventy-Six

Basics

Value: 28175 → 28176 → 28177

Parity: even

Prime: No

Previous Prime: 28163

Next Prime: 28181

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 ⁴ × 3 × 587

Divisors: 1, 2, 3, 4, 6, 8, 12, 16, 24, 48

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110111000010000

Octal: 67020

Duodecimal: 14380

Hexadecimal: 6e10

Square: 793886976

Square Root: 167.85708206685828

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

Meandric numbers for a river crossing up to 10 parallel roads at n points. A209622

Number of inequivalent ways to color vertices of a regular tetrahedron using <= n colors. A6008

T(n,k) = Number of n X k 0..2 arrays with rows unimodal and columns nondecreasing. A224190

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the maximum plus the upper median minus the lower median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one. A237249

a(n) = 49·n² - 2·n. A157362

Number of regions in an equilateral triangle "frame" of size n. A328526

Expansion of (∑_k>=0 binomial(4·k,k) * x^k)⁴. A378484

Let S denote the palindromes in the language {0,1,2,...,n-1}*; a(n) = number of words of length 4 in the language SS. A187277

Numbers whose base-4 representation is a square when read in base 10. A267764

Triangle read by rows: T(n,k) is number of paths from (0,0) to (3n,0) that stay in the first quadrant (but may touch the horizontal axis), consisting of steps u=(2,1),U=(1,2), or d=(1,-1) and have k pyramids of the first kind (a pyramid of the first kind is a sequence u^pd^p for some positive integer p, starting at the x-axis). A108451