Properties of the Number 68919

Sixty-Eight Thousand Nine Hundred Nineteen

Basics

Value: 68918 → 68919 → 68920

Parity: odd

Prime: No

Previous Prime: 68917

Next Prime: 68927

Digit Sum: 33

Digital Root: 6

Palindrome: No

Factorization: 3 × 22973

Divisors: 1, 3, 22973, 68919

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10000110100110111

Octal: 206467

Duodecimal: 33A73

Hexadecimal: 10d37

Square: 4749828561

Square Root: 262.5242845909688

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 nXk 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1, 2 or 4 neighboring 1s. A297720

a(n) = prime(n)³ - 2. A153481

Number of nX7 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1, 2 or 4 neighboring 1s. A297719

Number of 3Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1, 2 or 4 neighboring 1s. A297722

Squarefree orders of non-Abelian groups. A68919

Primes p such that p³ + 2 and p³ - 2 are semiprime. A241732