Properties of the Number 39899

Thirty-Nine Thousand Eight Hundred Ninety-Nine

Basics

Value: 39898 → 39899 → 39900

Parity: odd

Prime: No

Previous Prime: 39887

Next Prime: 39901

Digit Sum: 38

Digital Root: 2

Palindrome: No

Factorization: 17 × 2347

Divisors: 1, 17, 2347, 39899

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001101111011011

Octal: 115733

Duodecimal: 1B10B

Hexadecimal: 9bdb

Square: 1591930201

Square Root: 199.74734040782621

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 number k such that A070635(k) = n. A138791

Semiprimes of the form C(n) + T(n) where C(n) and T(n) are the n-th cube and triangular numbers. A240884

a(n) = n*(2·n² + n + 1)/2. A85786

The nearest integer of perimeter of T-square (fractal) after n-iterations, starting with a unit square. A227621

Number of partitions satisfying 0 < cn(0,5) + cn(2,5) + cn(3,5). A39899