Properties of the Number 38540

Thirty-Eight Thousand Five Hundred Forty

Basics

Value: 38539 → 38540 → 38541

Parity: even

Prime: No

Previous Prime: 38501

Next Prime: 38543

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 5 × 41 × 47

Divisors: 1, 2, 4, 5, 10, 20, 41, 47, 82, 94

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1001011010001100

Octal: 113214

Duodecimal: 1A378

Hexadecimal: 968c

Square: 1485331600

Square Root: 196.316071680339

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+2)X(k+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the central row and column plus the two sums of the diagonal and antidiagonal nondecreasing horizontally and vertically. A256904

Number of (n+2)X(2+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the central row and column plus the two sums of the diagonal and antidiagonal nondecreasing horizontally and vertically. A256898

Number of (n+2)X(3+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the central row and column plus the two sums of the diagonal and antidiagonal nondecreasing horizontally and vertically. A256899

a(n) = number of modules with n elements over the ring of integers in the real quadratic field of discriminant 40. A38540

Number of n X 5 0..1 arrays with every element equal to 3, 4, 5 or 8 king-move adjacent elements, with upper left element zero. A298164