Properties of the Number 28748

Twenty-Eight Thousand Seven Hundred Forty-Eight

Basics

Value: 28747 → 28748 → 28749

Parity: even

Prime: No

Previous Prime: 28729

Next Prime: 28751

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 7187

Divisors: 1, 2, 4, 7187, 14374, 28748

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 111000001001100

Octal: 70114

Duodecimal: 14778

Hexadecimal: 704c

Square: 826447504

Square Root: 169.55235179731363

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 3 1..(n+1) arrays with every leading partial sum divisible by 2, 3, 5 or 7. A258634

Nonsquares mod 35. A28748

Triangle read by rows: T(n,m)=2·Binomial[n, m] - (m! - n! + (-m + n)!). A155451