Properties of the Number 18834

Eighteen Thousand Eight Hundred Thirty-Four

Basics

Value: 18833 → 18834 → 18835

Parity: even

Prime: No

Previous Prime: 18803

Next Prime: 18839

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 43 × 73

Divisors: 1, 2, 3, 6, 43, 73, 86, 129, 146, 219

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100100110010010

Octal: 44622

Duodecimal: AA96

Hexadecimal: 4992

Square: 354719556

Square Root: 137.23702124426922

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

Floor(X/Y) where X = concatenation of the (n+1)-st even number through the (2n)-th even number and Y = concatenation of first n even numbers. A67091

Number of multigraphs with 4 nodes and n edges. A3082

Numbers k that, when expressed in base 6 and then interpreted in base 8, give a multiple of k. A62937

a(n) = prime(n)³ - prime(n³). A262199

Coefficients in the expansion of C²/B³, in Watson's notation of page 106. A160462

a(n) = ∑_{k=0..floor(n/3)} binomial(n-2·k,k) * binomial(2*(n-2·k),n-2·k). A360266

Group the composite numbers so that the sum of the n-th group is a multiple of the n-th prime: (4), (6), (8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 22), (24, 25), (26, 27, 28, 30, 32), (33, 34, ...), ... Sequence gives sum of n-th group. A74124

Numbers n such that n¹⁰²⁴ + (n+1)¹⁰²⁴ is prime. A274234

Number of length 4 0..n arrays with each partial sum starting from the beginning no more than two standard deviations from its mean. A244835

Expansion of 1/(1 - 4 * ∑_k>=0 x^{3^k})^1/2. A382189