Properties of the Number 8939

Eight Thousand Nine Hundred Thirty-Nine

Basics

Value: 8938 → 8939 → 8940

Parity: odd

Prime: No

Previous Prime: 8933

Next Prime: 8941

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 7 × 1277

Divisors: 1, 7, 1277, 8939

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001011101011

Octal: 21353

Duodecimal: 520B

Hexadecimal: 22eb

Square: 79905721

Square Root: 94.5462849613881

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

Prefixing, suffixing or inserting a 9 in the number anywhere gives a prime. A69833

Number of ways to cover (without overlapping) a ring lattice (necklace) of n sites with molecules that are 7 sites wide. A58366

Denominators of continued fraction convergents to sqrt(1000). A42937

Denominators of continued fraction convergents to sqrt(250). A41469

(Average of twin balanced prime pairs)/10. A173893

Expansion of 1/(1-x³-x⁴-x⁵-x⁶-x⁷-x⁸-x⁹). A17822

Square array, read by antidiagonal: T(n,k) = n·T(n,k-1)+(-1)^k*T(n,floor(k/2)). A89141

Number of essentially different semi-magic squares of order 3 with semimagic sum n. A122751

Number of strings of numbers x(i=1..n) in 0..5 with sum i·x(i) equal to n·5. A184699

Number of strings of numbers x(i=1..9) in 0..n with sum i·x(i) equal to n·9. A184709