Properties of the Number 2279

Two Thousand Two Hundred Seventy-Nine

Basics

Value: 2278 → 2279 → 2280

Parity: odd

Prime: No

Previous Prime: 2273

Next Prime: 2281

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 43 × 53

Divisors: 1, 43, 53, 2279

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100011100111

Octal: 4347

Duodecimal: 139B

Hexadecimal: 8e7

Square: 5193841

Square Root: 47.738873049120045

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 of pattern-matching permutations of (1234) for the permutations of {1, 2, ..., n} on n = 4, 5, 6, ... elements. A158005

Number of partitions of n such that no part is a sum of two or more other parts. A237667

Odd numbers not of form p + 2^k (de Polignac numbers). A6285

a(n) = 2·n² - n + 1. A130883

D-toothpick sequence of the second kind (see Comments lines for definition). A194270

Smallest palindrome greater than n in bases n and n+1. A48268

a(n) = n*(n+10). A98603

a(n) = prime(n)*prime(n+2). A90076

Compound filter: a(n) = P(A003557(n), A048250(n)), where P(n,k) is sequence A000027 used as a pairing function. A291750

Number of planted 3-trees of height < n. A6894