Properties of the Number 70989

Seventy Thousand Nine Hundred Eighty-Nine

Basics

Value: 70988 → 70989 → 70990

Parity: odd

Prime: No

Previous Prime: 70981

Next Prime: 70991

Digit Sum: 33

Digital Root: 6

Palindrome: No

Factorization: 3 × 23663

Divisors: 1, 3, 23663, 70989

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001010101001101

Octal: 212515

Duodecimal: 350B9

Hexadecimal: 1154d

Square: 5039438121

Square Root: 266.4376099577535

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

Expansion of g.f. 1/((1-x)*(1-6·x)*(1-8·x)*(1-10·x)). A23955

a(0) = a(1) = a(2) = 1; a(n) = (1/2) * ∑_k=0..n-2 binomial(n-2,k) * a(k) * a(n-k-2). A336023

Continued fraction for π/4. A70989