Properties of the Number 66859

Sixty-Six Thousand Eight Hundred Fifty-Nine

Basics

Value: 66858 → 66859 → 66860

Parity: odd

Prime: No

Previous Prime: 66853

Next Prime: 66863

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 13 × 37 × 139

Divisors: 1, 13, 37, 139, 481, 1807, 5143, 66859

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000010100101011

Octal: 202453

Duodecimal: 32837

Hexadecimal: 1052b

Square: 4470125881

Square Root: 258.57107340149247

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

House numbers: a(n) = (n+1)³ + ∑_i=1..n i². A51662

Number of (w,x,y,z) with all terms in {1,...,n} and w²>=x²+y²+z². A212095

Irregular triangle read by rows: T(n,k) is the number of n X n tic-tac-toe positions (up to rotation and reflection) with k tokens (i.e., after k plays) which occur in a game (n > 0, 0 <= k <= n²). A317575

Digits of the 10-adic integer (11/9)^1/3. A309645

Product of sums of divisors and non-divisors. A66859