Properties of the Number 2795

Two Thousand Seven Hundred Ninety-Five

Basics

Value: 2794 → 2795 → 2796

Parity: odd

Prime: No

Previous Prime: 2791

Next Prime: 2797

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 5 × 13 × 43

Divisors: 1, 5, 13, 43, 65, 215, 559, 2795

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101011101011

Octal: 5353

Duodecimal: 174B

Hexadecimal: aeb

Square: 7812025

Square Root: 52.86775955154521

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

Second pentagonal numbers: a(n) = n*(3·n + 1)/2. A5449

a(n) = (2ⁿ+1)*(2ⁿ+2)/6. A7581

Numbers whose base-2 representation is the juxtaposition of two identical strings. A20330

Array read by antidiagonals downwards: T(b,n) = number of words of length n over an alphabet of size b that are in standard order. A278984

Cancellation factor in reducing ∑_k=0...n 1/k! to lowest terms. A93101

Number of distinct values produced from sums and products of n unity arguments. A48249

T(n,k) = number of n X k 0..4 arrays with values 0..4 introduced in row major order and no element equal to any horizontal or vertical neighbor. A198906

a(n) = a(n-1) - 2·a(n-2) with a(0) = 2, a(1) = 1. A2249

Triangle T read by rows: differences of Motzkin triangle (A026300). A26105

Second pentagonal numbers with odd index: a(n) = (2·n-1)*(3·n-1). A33568