Properties of the Number 19662

Nineteen Thousand Six Hundred Sixty-Two

Basics

Value: 19661 → 19662 → 19663

Parity: even

Prime: No

Previous Prime: 19661

Next Prime: 19681

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 29 × 113

Divisors: 1, 2, 3, 6, 29, 58, 87, 113, 174, 226

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100110011001110

Octal: 46316

Duodecimal: B466

Hexadecimal: 4cce

Square: 386594244

Square Root: 140.22125373851142

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

Number of transitive finitary sets with n brackets. Number of transitive rooted identity trees with n nodes. A279861

Numbers k such that A003313(k) = A003313(5·k). A116460

McKay-Thompson series of class 10D for the Monster group with a(0) = 6. A132130

a(n) = A000094(n+4) - A006918(n). A84835

McKay-Thompson series of class 10D for the Monster group. A58100

Numbers k such that the largest prime factor of k is equal to the sum of primes dividing k+1 (with repetition). A71861

Irregular array T(n,k) of the numbers of non-extendable (complete) non-self-adjacent simple paths ending at each of a minimal subset of nodes within a square lattice bounded by rectangles with nodal dimensions n and 9, n >= 2. A214376

A256056(n)/2. A256055

Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite SGT = σ-2 [Si64O128].4R starting with a T2 atom. A19237

Product of two successive Catalan numbers C(n)*C(n+1). A5568