Properties of the Number 66700

Sixty-Six Thousand Seven Hundred

Basics

Value: 66699 → 66700 → 66701

Parity: even

Prime: No

Previous Prime: 66697

Next Prime: 66701

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 5 ² × 23 × 29

Divisors: 1, 2, 4, 5, 10, 20, 23, 25, 29, 46

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000010010001100

Octal: 202214

Duodecimal: 32724

Hexadecimal: 1048c

Square: 4448890000

Square Root: 258.2634314028992

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 the essentially different permutations of the numbers 0 to n such that the sum of adjacent numbers is a square. A108658

G.f. A(x) satisfies: A(x)³ - 3·A(x)⁴ = A(x³). A274396

The leading digits in the terms in A067103 converge; dividing by a suitable power of 10 they converge to the number shown below; sequence gives continued fraction for this number. A66700