Properties of the Number 69913

Sixty-Nine Thousand Nine Hundred Thirteen

Basics

Value: 69912 → 69913 → 69914

Parity: odd

Prime: No

Previous Prime: 69911

Next Prime: 69929

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 151 × 463

Divisors: 1, 151, 463, 69913

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001000100011001

Octal: 210431

Duodecimal: 34561

Hexadecimal: 11119

Square: 4887827569

Square Root: 264.4106654429809

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 whose base-4 representation has exactly 9 runs. A43600

Numbers k such that number of runs in the base 4 representation of k is congruent to 0 mod 9. A43858

Numbers k such that number of runs in the base 4 representation of k is congruent to 9 mod 10. A43876

Numbers k such that number of runs in the base 4 representation of k is congruent to 1 mod 8. A43851

Number of nXnXn 0..6 triangular arrays with each element·equal to the number its neighbors equal to 5,0,2,0,1,1,1 for x=0,1,2,3,4,5,6. A203204

a(n) = ∑_d∣n (d-1)*τ(n/d). A69913