Properties of the Number 79281

Seventy-Nine Thousand Two Hundred Eighty-One

Basics

Value: 79280 → 79281 → 79282

Parity: odd

Prime: No

Previous Prime: 79279

Next Prime: 79283

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 23 × 383

Divisors: 1, 3, 9, 23, 69, 207, 383, 1149, 3447, 8809

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011010110110001

Octal: 232661

Duodecimal: 39A69

Hexadecimal: 135b1

Square: 6285476961

Square Root: 281.5688192964555

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 - 4·x² - 8·x³)/((1 + 2·x + 4·x²)*(1 - x - 2·x - 4·x² - 4·x³ + 16·x⁴)). A129443

Number of dominating subsets of the graph G(n) obtained by joining each vertex of the path graph P_n+1 on n+1 vertices with an additional vertex (the join of K₁ and P_n+1). A213663

Sum of the prime factors of k equals half the sum of the prime factors of k + 1. A74213

Number of n X n binary arrays symmetric about both diagonal and antidiagonal with all ones connected only in a 0100-1100-0111-0010 pattern in any orientation. A147047

Number of compositions of 2ⁿ into distinct parts. A79281