Properties of the Number 67069

Sixty-Seven Thousand Sixty-Nine

Basics

Value: 67068 → 67069 → 67070

Parity: odd

Prime: No

Previous Prime: 67061

Next Prime: 67073

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 47 × 1427

Divisors: 1, 47, 1427, 67069

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10000010111111101

Octal: 202775

Duodecimal: 32991

Hexadecimal: 105fd

Square: 4498250761

Square Root: 258.9768329407092

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

a(n) = ∑_{k=0..floor(n/3)} (n-3·k)^3·k. A353017

Strong pseudoprimes to base 73. A20299

Strong pseudoprimes to base 85. A20311

Numbers k such that 335·2^k+1 is prime. A322960

Integers k such that k² is of form y² + y + x² + x for positive y, x. A235375

Numbers n such that for every k the following condition holds: (*) The number of nonnegative solutions of the Diophantine equation x² + n·y² = 1+n·k² equals one half of the number of divisors of 1+n·k² if 1+n·k² is not a square and one half of 1 + the number of divisors of 1+n·k² if 1+n·k² is a square. A67069