Properties of the Number 69628

Sixty-Nine Thousand Six Hundred Twenty-Eight

Basics

Value: 69627 → 69628 → 69629

Parity: even

Prime: No

Previous Prime: 69623

Next Prime: 69653

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 13 ² × 103

Divisors: 1, 2, 4, 13, 26, 52, 103, 169, 206, 338

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000111111111100

Octal: 207774

Duodecimal: 34364

Hexadecimal: 10ffc

Square: 4848058384

Square Root: 263.87118069239773

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

Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 565", based on the 5-celled von Neumann neighborhood. A283059

Lychrel numbers k that set a new record for the number of 'Reverse and Add' steps in base 2 needed to reach a Lychrel number m < k (i.e., its seed). A306481

a(1) = 1; a(2n) = smallest prime starting (most significant digits) with a(2n-1). a(2n+1) = smallest prime ending (least significant digits) in a(2n). A69628