Properties of the Number 23900

Twenty-Three Thousand Nine Hundred

Basics

Value: 23899 → 23900 → 23901

Parity: even

Prime: No

Previous Prime: 23899

Next Prime: 23909

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 5 ² × 239

Divisors: 1, 2, 4, 5, 10, 20, 25, 50, 100, 239

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101110101011100

Octal: 56534

Duodecimal: 119B8

Hexadecimal: 5d5c

Square: 571210000

Square Root: 154.59624833740307

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

Riordan array (1/(1 + 5·x + x²), x/(1 + 5·x + x²))^-1; inverse of Riordan array A123967. A125906

Number of labeled digraphs with n arcs and with no vertex of indegree 0. A122419

Triangle read by rows: T(n,k) is the number of unlabeled connected weakly graded (ranked) posets with n elements and rank k. A361954

Number of level n squares on a Sierpinski carpet that are enclosed in a circle with the same center and diameter. A293288

a(n) = A064835(n)/2. A64836

a(n) = (number of compositions of n into odd parts) - (number of compositions of n into distinct parts). A282694

Numbers k such that 5·10^k + 41 is prime. A291605

Dirichlet inverse of Euler totient function (A000010). A23900

a(n) = n⁴*(n⁶ + 1)/2. A168220