Properties of the Number 68842

Sixty-Eight Thousand Eight Hundred Forty-Two

Basics

Value: 68841 → 68842 → 68843

Parity: even

Prime: No

Previous Prime: 68821

Next Prime: 68863

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 × 34421

Divisors: 1, 2, 34421, 68842

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10000110011101010

Octal: 206352

Duodecimal: 33A0A

Hexadecimal: 10cea

Square: 4739220964

Square Root: 262.37759050650646

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

Number of rooted simple connected graphs on n unlabeled nodes where every block is a complete graph with nonroot nodes of two colors. A318494

Number of nX5 0..1 arrays with every element equal to 1 or 2 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A300347

Number of binary words w of length n such that the number of distinct blocks of length k that w contains is <= k+2 for all k. A297526

T(n,k)=Number of nXk 0..1 arrays with every element equal to 1 or 2 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A300350

Smallest prime larger than 2ⁿ whose digits begin with those of 2ⁿ. A68842