Properties of the Number 28875

Twenty-Eight Thousand Eight Hundred Seventy-Five

Basics

Value: 28874 → 28875 → 28876

Parity: odd

Prime: No

Previous Prime: 28871

Next Prime: 28879

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 ³ × 7 × 11

Divisors: 1, 3, 5, 7, 11, 15, 21, 25, 33, 35

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 111000011001011

Octal: 70313

Duodecimal: 14863

Hexadecimal: 70cb

Square: 833765625

Square Root: 169.9264546796643

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

Odd infinitary abundant numbers. A127666

Odd bi-unitary abundant numbers: odd numbers k such that bsigma(k) > 2·k, where bsigma is the sum of the bi-unitary divisors function (A188999). A293186

Successive integers produced by Conway's PRIMEGAME. A7542

Numbers with exactly 4 distinct odd prime divisors {3,5,7,11}. A147577

Successive integers produced by Conway's PRIMEGAME, starting with 3 rather than 2. A185242

Successive integers produced by Conway's PRIMEGAME, starting with 6 rather than 2. A273091

Numbers n such that φ(n) = φ(n+11), with Euler's totient function φ = A000010. A276504

Odd nonexponential abundant numbers: odd numbers k such that A160135(k) > k. A348605

Expansion of 1/((1-x)*(1-5·x)*(1-11·x)). A16238

A Chebyshev transform of A099450 associated to the knot 7_7. A99451