Properties of the Number 2290

Two Thousand Two Hundred Ninety

Basics

Value: 2289 → 2290 → 2291

Parity: even

Prime: No

Previous Prime: 2287

Next Prime: 2293

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 × 5 × 229

Divisors: 1, 2, 5, 10, 229, 458, 1145, 2290

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100011110010

Octal: 4362

Duodecimal: 13AA

Hexadecimal: 8f2

Square: 5244100

Square Root: 47.853944456021594

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

Generalized 13-gonal numbers: m*(11·m-9)/2 with m = 0, 1, -1, 2, -2, 3, -3, ... A195313

Numbers m such that the Bernoulli number B_m has denominator 66. A51230

a(n) = ∑_k=0..n C(n-k,4·k). A5676

McKay-Thompson series of class 16B for the Monster group. A29839

Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted then there are a pair of central terms both equal to 10. A31423

Molien series of 4-dimensional representation of cyclic group of order 4 over GF(2) (not Cohen-Macaulay). A8610

Sorted positions of first appearances in A057820, the sequence of first differences of prime-powers. A376340

a(n) = a(n-4) + a(n-5), with a(0)=1, a(1)=a(2)=a(3)=0, a(4)=1. A17827

Inverse of a generalized Stirling number triangle of first kind. A105794

MacMahon's generalized sum of divisors function. A2127