Properties of the Number 28356

Twenty-Eight Thousand Three Hundred Fifty-Six

Basics

Value: 28355 → 28356 → 28357

Parity: even

Prime: No

Previous Prime: 28351

Next Prime: 28387

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 17 × 139

Divisors: 1, 2, 3, 4, 6, 12, 17, 34, 51, 68

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110111011000100

Octal: 67304

Duodecimal: 144B0

Hexadecimal: 6ec4

Square: 804062736

Square Root: 168.39239887833418

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

a(n) = (n+1)*(n+2)*(n+3)*(9n+4)/24. A51798

Sum of digits of n-th term in Look and Say sequence A005150. A4977

Number of binary strings of length n having a factorization as a concatenation of palindromes of length at least 2. A241210

Records in A224796. A224719

A sequence B(3,n) arising from the enumeration of braids. A263629

Centered pentagonal numbers that are abundant. A382696

Number of 0..5 arrays x(0..n) of n+1 elements with zero n-1st differences. A200079

Simple periodic sequence underlying clock sequence A028354. A28356