Properties of the Number 67940

Sixty-Seven Thousand Nine Hundred Forty

Basics

Value: 67939 → 67940 → 67941

Parity: even

Prime: No

Previous Prime: 67939

Next Prime: 67943

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 5 × 43 × 79

Divisors: 1, 2, 4, 5, 10, 20, 43, 79, 86, 158

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000100101100100

Octal: 204544

Duodecimal: 33398

Hexadecimal: 10964

Square: 4615843600

Square Root: 260.65302607105866

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

Number of endless self-avoiding walks of length n for the square lattice. A334322

Numbers that are the sum of six fourth powers in exactly six ways. A345818

Expansion of 1/cos(log(1+x)). A9007

a(n) = (2·n³ + 5·n² - 3·n)/2. A162256

Let rep(n) be the n-th repunit number, sequence gives values of n such that rep(n)==rep(7) (mod n). A67940