Properties of the Number 38000

Thirty-Eight Thousand

Basics

Value: 37999 → 38000 → 38001

Parity: even

Prime: No

Previous Prime: 37997

Next Prime: 38011

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 ⁴ × 5 ³ × 19

Divisors: 1, 2, 4, 5, 8, 10, 16, 19, 20, 25

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 1001010001110000

Octal: 112160

Duodecimal: 19BA8

Hexadecimal: 9470

Square: 1444000000

Square Root: 194.93588689617928

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) = n*(n+2)*(2·n-1)/3. Also, row sums of triangle A131422. A131423

T(n,k) = number of n X k 0..3 arrays x(i,j) with each element horizontally, diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 4 and at least one element with value (x(i,j)-1) mod 4, and upper left element zero. A231080

Number of n step walks (each step +-1 starting from 0) which are never more than 4 or less than -4. A216212

Number of 4 X n binary matrices with no zero rows or columns, up to row and column permutation. A55082

Numbers k such that k and k² use only the digits 0, 1, 3, 4 and 8. A136840

Number of 3 X n 0..3 arrays x(i,j) with each element horizontally, diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 4 and at least one element with value (x(i,j)-1) mod 4, and upper left element zero. A231082

Number of n X 6 0..3 arrays x(i,j) with each element horizontally, diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 4 and at least one element with value (x(i,j)-1) mod 4, and upper left element zero. A231079

Numbers n in which the last K digits of n form an integer divisible by K³, for K = 1, 2, ..., M, where M is the number of digits in n. A79239

Duplicate of A131423. A143371

Sequence of coefficients of x¹ in marked mesh pattern generating function Q_n,132^0,4,0,0(x). A212347