Properties of the Number 38680

Thirty-Eight Thousand Six Hundred Eighty

Basics

Value: 38679 → 38680 → 38681

Parity: even

Prime: No

Previous Prime: 38677

Next Prime: 38693

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ³ × 5 × 967

Divisors: 1, 2, 4, 5, 8, 10, 20, 40, 967, 1934

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1001011100011000

Octal: 113430

Duodecimal: 1A474

Hexadecimal: 9718

Square: 1496142400

Square Root: 196.67231630303235

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

Triangle read by rows: T(n,k) is the number of n X n binary matrices with k=0..n² ones forming a polyomino, under action of dihedral group of the square D₄. A331462

Numbers k such that Bernoulli number B_k has denominator 13530. A295587

Primes ending in a (different) prime. A38680

Number of nX4 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 3,3,0,1,1 for x=0,1,2,3,4. A197892

Number of nX5 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 1 0 and 1 0 1 vertically. A207855