Properties of the Number 28078

Twenty-Eight Thousand Seventy-Eight

Basics

Value: 28077 → 28078 → 28079

Parity: even

Prime: No

Previous Prime: 28069

Next Prime: 28081

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 101 × 139

Divisors: 1, 2, 101, 139, 202, 278, 14039, 28078

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110110110101110

Octal: 66656

Duodecimal: 142BA

Hexadecimal: 6dae

Square: 788374084

Square Root: 167.56491279501208

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

Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-2), where a(0) = 1, a(1) = 3, b(0) = 2, b(1) = 4. A293076

Number of 3Xn 0..1 arrays with every element equal to 0, 1, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302681

Numbers having four 6's in base 8. A43448

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 1, 1), (0, 1, -1), (0, 1, 1), (1, -1, 1)}. A148914

Expansion of 1/((1-3·x)*(1-6·x)*(1-7·x)*(1-12·x)). A28078