Properties of the Number 23814

Twenty-Three Thousand Eight Hundred Fourteen

Basics

Value: 23813 → 23814 → 23815

Parity: even

Prime: No

Previous Prime: 23813

Next Prime: 23819

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ⁵ × 7 ²

Divisors: 1, 2, 3, 6, 7, 9, 14, 18, 21, 27

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101110100000110

Octal: 56406

Duodecimal: 11946

Hexadecimal: 5d06

Square: 567106596

Square Root: 154.31785379534023

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

Forests of k increasing plane unary-binary trees on n nodes. Generalized Stirling numbers of the second kind associated with A185415. A185422

Third accumulation array, T, of the natural number array A000027, by antidiagonals. A185508

Negative value of coefficient of x^n-3 in the characteristic polynomial of a certain n X n integer circulant matrix. A127408

Triangular table containing values of coefficients of the characteristic polynomial of a certain n·n circulant matrix, read by rows. A127412

Unsigned member r=-6 of the family of Chebyshev sequences S_r(n) defined in A092184. A98306

a(n) = (2·n³ + 5·n² - 7·n)/2. A162261

a(n) = Stirling2(2·n, n)*CatalanNumber(n). A390277

Numbers k such that φ(τ(k)) = sopf(k). A173326

Coefficients of (x^1/3*d/dx)ⁿ for positive integer n. A223533

Number of unlabeled rooted trees with n nodes in which all positive outdegrees are different. A298478