Properties of the Number 66730

Sixty-Six Thousand Seven Hundred Thirty

Basics

Value: 66729 → 66730 → 66731

Parity: even

Prime: No

Previous Prime: 66721

Next Prime: 66733

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 5 × 6673

Divisors: 1, 2, 5, 10, 6673, 13346, 33365, 66730

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10000010010101010

Octal: 202252

Duodecimal: 3274A

Hexadecimal: 104aa

Square: 4452892900

Square Root: 258.3215051055564

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 T(n,k) of (binary) heaps of length n whose element set equals [k]; triangle T(n,k), n>=0, 0<=k<=n, read by rows. A373451

Number of (binary) heaps of length n whose element set equals [k], where k is chosen so as to maximize this number. A373608

Numbers with ever-increasing minimal-square-deniers. A66730