Properties of the Number 56406

Fifty-Six Thousand Four Hundred Six

Basics

Value: 56405 → 56406 → 56407

Parity: even

Prime: No

Previous Prime: 56401

Next Prime: 56417

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 7 × 17 × 79

Divisors: 1, 2, 3, 6, 7, 14, 17, 21, 34, 42

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1101110001010110

Octal: 156126

Duodecimal: 28786

Hexadecimal: dc56

Square: 3181636836

Square Root: 237.49947368362734

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

Number of ways of covering a 2n X 2n lattice by 2n² dominoes with exactly 4 horizontal (or vertical) dominoes. A38758

Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-2) + 2n, where a(0) = 1, a(1) = 2, b(0) = 3. A294538

A089320(n)/n. A89321

Squarefree oblong (pronic) numbers having an odd number of prime factors. A98827

Oblong numbers which are products of five distinct primes. A359304

Number of tilings of a 4 X n rectangle using dominoes and trominoes (of any shape). A364155

Number of primitive (aperiodic) step shifted (decimated) sequence structures using exactly two different symbols. A56406