Properties of the Number 16538

Sixteen Thousand Five Hundred Thirty-Eight

Basics

Value: 16537 → 16538 → 16539

Parity: even

Prime: No

Previous Prime: 16529

Next Prime: 16547

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 8269

Divisors: 1, 2, 8269, 16538

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100000010011010

Octal: 40232

Duodecimal: 96A2

Hexadecimal: 409a

Square: 273505444

Square Root: 128.6001555209013

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

Numbers k such that there is 1 prime between 100·k and 100·k + 99. A186393

a(n) = 25·n² - 14·n + 2. A154357

T(n,k)=Number of nXk binary arrays with every 1 immediately preceded by 0 to the left or above. A203362

T(n,k)=Number of nXk 0..1 arrays with every element equal to 1, 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero. A299528

Number of partitions of n such that the number of parts and the smallest part are coprime. A200928

a(n) = floor((1/16)*(16 + 2ⁿ - 8·n + 8·n²)). A130840

Ratio A095107(n)/A095008(n) rounded to nearest integer. A95358

G.f.: (1+x)^2·g*(1+x³)^3·g/((1-x²)*(1-x⁴))-x^2·g*(1+x)⁴/((1-x²)*(1-x⁴)) for g=3. A199629

Number of n X 3 binary arrays with every 1 immediately preceded by 0 to the left or above. A203357

Number of nX6 binary arrays with every 1 immediately preceded by 0 to the left or above. A203360