Properties of the Number 23438

Twenty-Three Thousand Four Hundred Thirty-Eight

Basics

Value: 23437 → 23438 → 23439

Parity: even

Prime: No

Previous Prime: 23431

Next Prime: 23447

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 11719

Divisors: 1, 2, 11719, 23438

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 101101110001110

Octal: 55616

Duodecimal: 11692

Hexadecimal: 5b8e

Square: 549339844

Square Root: 153.0947419084013

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

Permutation of natural numbers, the even bisection of A241909 incremented by one and halved; equally, a composition of A241909 and A048673: a(n) = A048673(A241909(n)). A243066

Dispersion of A016873, (5k+3), by antidiagonals. A191705

Growth series for affine Coxeter group (or affine Weyl group) D₄. A266759

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock having equal diagonal elements or equal antidiagonal elements, and new values 0..2 introduced in row major order. A204076

a(n) = a(1) + a(2) + ... + a(n-1) - a(m) for n >= 4, where m = 2·n - 2 - 2^p+1 and p is the unique integer such that 2^p < n - 1 <= 2^p+1, starting with a(1) = 1, a(2) = 2 and a(3) = 3. A49911

Number of binary words of length n containing no subword 11011. A210021

Number T(n,k) of binary words of length n containing exactly k (possibly overlapping) occurrences of the subword 11011; triangle T(n,k), n>=0, k=0..max(0,floor((n-2)/3)), read by rows. A277678

Monotonic ordering of set S generated by these rules: if·and y are in S then 3xy-x-y is in S, and 2 is in S. A192529

a(n) = (3·5ⁿ+1)/2. A199213

a(n) is the smallest positive integer of length (distance from origin) n in the Cayley graph of the integers generated by all powers of 5. A294566