Properties of the Number 38389

Thirty-Eight Thousand Three Hundred Eighty-Nine

Basics

Value: 38388 → 38389 → 38390

Parity: odd

Prime: No

Previous Prime: 38377

Next Prime: 38393

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 13 × 2953

Divisors: 1, 13, 2953, 38389

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 1001010111110101

Octal: 112765

Duodecimal: 1A271

Hexadecimal: 95f5

Square: 1473715321

Square Root: 195.93111034238538

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

a(n) is the number of integers k in range [2ⁿ, (2ⁿ⁺¹)-1] such that all terms in finite sequence [k, floor(k/2), floor(k/4), floor(k/8), ..., 1] are squarefree. A293230

Numbers k such that 4 is the smallest decimal digit of k³. A291643

Smallest k<3·2ⁿ such that 3·2ⁿ+k is the smallest of four consecutive primes in arithmetic progression or 0 if no solution. A230852

Number of (n+2)X(4+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00010001. A260540

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00010001. A260544

Let f(n) be the smallest number such that the arithmetic mean (A) and geometric mean (G) of n and f(n) are both integers; sequence gives A values. A38389