Properties of the Number 2836

Two Thousand Eight Hundred Thirty-Six

Basics

Value: 2835 → 2836 → 2837

Parity: even

Prime: No

Previous Prime: 2833

Next Prime: 2837

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 709

Divisors: 1, 2, 4, 709, 1418, 2836

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 101100010100

Octal: 5424

Duodecimal: 1784

Hexadecimal: b14

Square: 8042896

Square Root: 53.25410782277739

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

a(n) = 4·n² - 3·n + 1. A54552

Years in which there are five Fridays in the month of February. A141287

Triangle read by rows: DX(n,d) = number of properly d-dimensional polyominoes with n cells, modulo translations (n>=1, 0 <= d <= n-1). A195739

BII-numbers of blobs. A326751

Positive integers n such that n¹⁴ + 1 is semiprime (A001358). A104335

Number of prime powers (p², p³, ...) <= 2ⁿ. A36386

Number of n-cell polycubes that are proper in n-3 dimensions. A191092

Positive discriminants of orders of quadratic fields with form class number 3. A391425

T(n,k)=Number of nXk 0..2 arrays with values 0..2 introduced in row major order, the number of instances of each value within one of each other, and no element equal to any horizontal or vertical neighbor. A199133

T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 0 2 5 6 or 7. A252219