Properties of the Number 39901

Thirty-Nine Thousand Nine Hundred One

Basics

Value: 39900 → 39901 → 39902

Parity: odd

Prime: Yes

Previous Prime: 39887

Next Prime: 39929

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 39901

Divisors: 1, 39901

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001101111011101

Octal: 115735

Duodecimal: 1B111

Hexadecimal: 9bdd

Square: 1592089801

Square Root: 199.75234666956982

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 compositions (ordered partitions) of n into distinct parts such that number of parts is odd. A332304

Sequence of 3 Pythagorean triangles, each with a leg and hypotenuse prime. The hypotenuse of each triangle is the leg of the next triangle. A48295

Consider the array T(n, m) = m-th prime of the form n·i(i+1)/2 +/- 1. This sequence is the main diagonal. A125765

Primes of the form (4·n²-8·n-9)/3. A154616

Noncomposite numbers in the northern ray of the Ulam spiral as oriented on the March 1964 cover of Scientific American. A168023

Numbers n such that m=(n²+1)/2, p=(m²+1)/2 and q=(p²+1)/2 are all prime. A188546

T(n,k)=Number of lower triangular n X n arrays colored with integers 0 upwards introduced in row major order, with no element equal to any element at a city block distance of two, and containing the value n(n+1)/2-k-1. A212036

Primes p such that q-p = 28, where q is the next prime after p. A124595

Primes p of the form 420k + 1 for some k. A217587

Value of prime number D for incrementally largest values of minimal·satisfying the equation x² - D·y² = 3. A336794