Properties of the Number 70728

Seventy Thousand Seven Hundred Twenty-Eight

Basics

Value: 70727 → 70728 → 70729

Parity: even

Prime: No

Previous Prime: 70717

Next Prime: 70729

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 ³ × 3 × 7 × 421

Divisors: 1, 2, 3, 4, 6, 7, 8, 12, 14, 21

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001010001001000

Octal: 212110

Duodecimal: 34B20

Hexadecimal: 11448

Square: 5002449984

Square Root: 265.947363213099

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

Period of the Fibonacci 5-step sequence A001591 mod n. A106303

Period of the Lucas 5-step sequence A074048 mod prime(n). A106298

Period of the Lucas 5-step sequence A074048 mod n. A106297

Period of the Fibonacci 5-step sequence A001591 mod prime(n). A106304

E.g.f.: ∑_n>=0 xⁿ/n! * ∏_k=1..n (n+1-k) + k·x². A316702

Numbers k such that k² divides 2·Fibonacci(k). A130163

a(n) = 361·n² - 2·n. A158307

Expansion of ∏_k>=0 ((1+x^4·k+1)/(1-x^4·k+1))². A261650

Number of symmetric linked diagrams with n links and no simple link. A271218

n⁷ mod 48. A70728