Properties of the Number 20462

Twenty Thousand Four Hundred Sixty-Two

Basics

Value: 20461 → 20462 → 20463

Parity: even

Prime: No

Previous Prime: 20443

Next Prime: 20477

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 × 13 × 787

Divisors: 1, 2, 13, 26, 787, 1574, 10231, 20462

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100111111101110

Octal: 47756

Duodecimal: BA12

Hexadecimal: 4fee

Square: 418693444

Square Root: 143.04544732356916

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 length n 1..(k+1) arrays with every leading partial sum divisible by 2, 3, 5 or 7. A258631

Starting from generation 8 add previous and next term yielding generation 9. A48455

a(n) = [xⁿ] (1 + theta₃(x))ⁿ/(2ⁿ*(1 - x)), where theta₃() is the Jacobi θ function. A302862

a(1)=1, a(n) = n * (∑_k=1..n-1 a(k)) - 2. A82427

Zero followed by partial sums of A008865. A145067

Antidiagonal sums of table A083047. A83049

a(n) = 169·n² + 13. A158548

a(n) = 121·n² + n. A173267

Numbers k such that 4·5^k + 1 is prime. A204322

Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 22. A31700