Properties of the Number 2340

Two Thousand Three Hundred Forty

Basics

Value: 2339 → 2340 → 2341

Parity: even

Prime: No

Previous Prime: 2339

Next Prime: 2341

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 5 × 13

Divisors: 1, 2, 3, 4, 5, 6, 9, 10, 12, 13

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100100100100

Octal: 4444

Duodecimal: 1430

Hexadecimal: 924

Square: 5475600

Square Root: 48.373546489791295

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 the form 2^n-1*(2^n·m-1)/(2ⁿ-1), n >= 1, m >= 1. A272919

Triangular matchstick numbers: a(n) = 3·n*(n+1)/2. A45943

Numbers obtained by reinterpreting base-2 representation of n in primorial base: a(0) = 0, a(2n) = A276154(a(n)), a(2n+1) = 1 + A276154(a(n)). A276156

Table T(n,k) read by downward antidiagonals: number of Lyndon words (aperiodic necklaces) with n beads of k colors, n >= 1, k >= 1. A74650

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

e-perfect numbers: numbers k such that the sum of the e-divisors (exponential divisors) of k equals 2·k. A54979

Numbers k such that σ(k) > 3·k. A68403

Coreful perfect numbers: numbers k such that csigma(k) = 2·k, where csigma(k) is the sum of the coreful divisors of k (A057723). A307958

Low-temperature magnetization expansion for square lattice (Potts model, q=3). A57374

p-INVERT of (1,0,1,0,0,0,0,...), where p(S) = 1 - S - S². A291728