Properties of the Number 79918

Seventy-Nine Thousand Nine Hundred Eighteen

Basics

Value: 79917 → 79918 → 79919

Parity: even

Prime: No

Previous Prime: 79907

Next Prime: 79939

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 2 × 31 × 1289

Divisors: 1, 2, 31, 62, 1289, 2578, 39959, 79918

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011100000101110

Octal: 234056

Duodecimal: 3A2BA

Hexadecimal: 1382e

Square: 6386886724

Square Root: 282.69771842022357

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

T(n,k)=Number of (n+4)X(k+4) 0..2 matrices with each 5X5 subblock idempotent. A224625

Number of nX4 0..1 arrays with rows and columns lexicographically nondecreasing and every element equal to at least one horizontal or vertical neighbor. A201349

Number of (n+4)X5 0..2 matrices with each 5X5 subblock idempotent. A224618

T(n,k)=Number of nXk 0..1 arrays with rows and columns lexicographically nondecreasing and every element equal to at least one horizontal or vertical neighbor. A201353

Solution to the Dancing School Problem with 13 girls and n+13 boys: f(13,n). A79918