Properties of the Number 23838

Twenty-Three Thousand Eight Hundred Thirty-Eight

Basics

Value: 23837 → 23838 → 23839

Parity: even

Prime: No

Previous Prime: 23833

Next Prime: 23857

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 29 × 137

Divisors: 1, 2, 3, 6, 29, 58, 87, 137, 174, 274

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 101110100011110

Octal: 56436

Duodecimal: 11966

Hexadecimal: 5d1e

Square: 568250244

Square Root: 154.395595792108

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

T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the maximum plus the upper median plus the minimum minus the lower median of every 2X2 subblock equal. A237694

Total sum of the left-to-right minima in all compositions of n into distinct parts. A336770

Size of blocks of 1's in the second column of Catalan numbers written in binary and left-aligned. A279026

Number of Twopins positions. A5687

Numbers k such that 189·2^k+1 is prime. A32471

Number of (n+1)X(1+1) 0..3 arrays with the maximum plus the upper median plus the minimum minus the lower median of every 2X2 subblock equal. A237688

Number of (n+1)X(4+1) 0..3 arrays with the maximum plus the upper median plus the minimum minus the lower median of every 2X2 subblock equal. A237691

Sum of the prime numbers appearing along the border of an n X n square array whose elements are the numbers from 1..n², listed in increasing order by rows. A344846

Sum of exponents in prime-power factorization of C(5n,n-1). A23838

Table of triangular arguments such that if A002262(14·k) = "r" then the product A182431(k,i + 1) * A182431(k,i + 2) equals "r" + A000217(a(k,i)). A182102