Properties of the Number 69218

Sixty-Nine Thousand Two Hundred Eighteen

Basics

Value: 69217 → 69218 → 69219

Parity: even

Prime: No

Previous Prime: 69203

Next Prime: 69221

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 53 × 653

Divisors: 1, 2, 53, 106, 653, 1306, 34609, 69218

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10000111001100010

Octal: 207142

Duodecimal: 34082

Hexadecimal: 10e62

Square: 4791131524

Square Root: 263.0931394012394

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

Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 75. A31663

a(1)=1, a(2)=8; for n >= 1, a(n+2)=(a(n+1)+a(n))/3 if (a(n+1)+a(n)==0 (mod 3)); a(n+2)=(a(n+1)+a(n))/2 if (a(n+1)+a(n)==0 (mod 2)); a(n+2)=a(n+1)+a(n) otherwise. A69218

Number of (n+2) X 9 0..2 arrays with every 3 X 3 subblock having three equal elements in a row horizontally, vertically or nw-to-se diagonally exactly three ways, and new values 0..2 introduced in row major order. A204369