Properties of the Number 39959

Thirty-Nine Thousand Nine Hundred Fifty-Nine

Basics

Value: 39958 → 39959 → 39960

Parity: odd

Prime: No

Previous Prime: 39953

Next Prime: 39971

Digit Sum: 35

Digital Root: 8

Palindrome: No

Factorization: 31 × 1289

Divisors: 1, 31, 1289, 39959

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001110000010111

Octal: 116027

Duodecimal: 1B15B

Hexadecimal: 9c17

Square: 1596721681

Square Root: 199.89747372090523

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

Least k such that n^k mod k = n-1. A128149

a(n) = least k such that the remainder when 19^k is divided by k is n. A128159

Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n), where a(0) = 1, a(1) = 4, b(0) = 2, b(1) = 3, b(2) = 5, and (a(n)) and (b(n)) are increasing complementary sequences. A295950

Odd numbers k for which 23 is the smallest positive i with Jacobi symbol J(i,k) ≠ 1. A112079

Convolution of (1, p(1), p(2), ...) and composite numbers. A23627

Numbers k such that sum of proper divisors or aliquot parts of k² (excluding 1) is a square, or A048050(k²) is a square. A63900

Number of ways of numbering the vertices of a cube so sum of the 8 numbers is n. A39959

Number of nX6 arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random 0..1 nX6 array. A217980