Properties of the Number 2850

Two Thousand Eight Hundred Fifty

Basics

Value: 2849 → 2850 → 2851

Parity: even

Prime: No

Previous Prime: 2843

Next Prime: 2851

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 5 ² × 19

Divisors: 1, 2, 3, 5, 6, 10, 15, 19, 25, 30

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: Yes

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 101100100010

Octal: 5442

Duodecimal: 1796

Hexadecimal: b22

Square: 8122500

Square Root: 53.38539126015655

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

Hexagonal numbers: a(n) = n*(2·n-1). A384

Number of sublattices of index n in generic 3-dimensional lattice. A1001

Generalized 29-gonal (or icosienneagonal) numbers: m*(27·m - 25)/2 with m = 0, +1, -1, +2, -2, +3, -3, ... A303815

Left half of trinomial triangle (A027907), triangle read by rows. A111808

a(n) = n*(n+7). A28563

a(n) = n*(2·n+5)*(n-1)/6. A51925

Numbers n such that the decimal expansions of both n and n² have 0 as smallest digit and 8 as largest digit. A256708

a(n) = 2·n*(4·n - 1). A14635

Staggered diagonal of triangular spiral in A051682. A81266

Triangular numbers that are the product of two triangular numbers greater than 1. A188630