Properties of the Number 28204

Twenty-Eight Thousand Two Hundred Four

Basics

Value: 28203 → 28204 → 28205

Parity: even

Prime: No

Previous Prime: 28201

Next Prime: 28211

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 11 × 641

Divisors: 1, 2, 4, 11, 22, 44, 641, 1282, 2564, 7051

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110111000101100

Octal: 67054

Duodecimal: 143A4

Hexadecimal: 6e2c

Square: 795465616

Square Root: 167.94046564184583

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

Expansion of 1/((1 - x)³ - 9·x)^1/3. A376802

E.g.f. A(x) satisfies A'(x) = 1 + (exp(x) - 1) * A(2·x). A355232

Decimal part of a(n)^1/5 starts with a 'nine digits' anagram. A34280

a(0)=0, a(1)=1, a(n)=a(n-1)+a(n-2)+a(n-3) if a(n-1) is even, a(n)=a(n-1)+a(n-2) if a(n-1) is odd. A78513

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 1, 1), (0, 0, 1), (1, 0, 0), (1, 1, -1)}. A150215

Irregular triangle read by rows: T(n, k) = A281576(n) modulo p², where p is the k-th prime factor of A281576(n) with p < sqrt(A281576(n)). A281577

Expansion of e.g.f. 1 / (1 + log(1 - 3·x))^1/3. A367424

Expansion of 1/((1-6·x)*(1-7·x)*(1-9·x)*(1-10·x)). A28204