Properties of the Number 66783

Sixty-Six Thousand Seven Hundred Eighty-Three

Basics

Value: 66782 → 66783 → 66784

Parity: odd

Prime: No

Previous Prime: 66763

Next Prime: 66791

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 113 × 197

Divisors: 1, 3, 113, 197, 339, 591, 22261, 66783

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10000010011011111

Octal: 202337

Duodecimal: 32793

Hexadecimal: 104df

Square: 4459969089

Square Root: 258.4240700863602

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 n X 2 0,1 arrays indicating 2 X 2 subblocks of some larger (n+1) X 3 binary array having a sum of zero, with rows and columns of the latter in lexicographically nondecreasing order. A227121

Numbers k whose trajectory under the Reverse and Add! operation carried out in base 16 does not reach a palindrome and (presumably) does not join the trajectory of any term m < k. A344119

From the powers that be. A4143

Integers of the form (prime(k)+1)/φ(k), by order of appearance. A66783