Properties of the Number 19677

Nineteen Thousand Six Hundred Seventy-Seven

Basics

Value: 19676 → 19677 → 19678

Parity: odd

Prime: No

Previous Prime: 19661

Next Prime: 19681

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 7 × 937

Divisors: 1, 3, 7, 21, 937, 2811, 6559, 19677

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100110011011101

Octal: 46335

Duodecimal: B479

Hexadecimal: 4cdd

Square: 387184329

Square Root: 140.27473043994775

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

a(n) = n! - n⁹. A144768

Row 5 of A277710: Positions of 5's in A264977; positions of 10's in A277330. A277715

Number of nonnegative solutions to (x₁)² + (x₂)² + ... + (x₆)² <= n. A341401

Table read by antidiagonals: Place k equally spaced points on each side of a regular n-gon and join every pair of these n·k points by a chord; T(n,k) (n >= 3, k >= 0) gives the number of vertices in the resulting planar graph. A367302

Monotonic ordering of nonnegative differences 3ⁱ-6^j, for 40>= i>=0, j>=0. A192151

Numbers k such that 4·10^k + 6·R_k - 3 is prime, where R_k = 11...1 is the repunit (A002275) of length k. A99005

<h[d+1,d-1],s[d,d]*s[d,d]*s[d,d]> where h[d+1,d-1] is a homogeneous symmetric function, s[d,d] is a Schur function indexed by two parts, * represents the Kronecker product and <, > is the standard scalar product on symmetric functions. A115376

Numbers which do not reach zero under either of the iterations: x -> floor(sqrt(x)) * (x - floor(sqrt(x))²) or y -> ceiling(sqrt(y)) * (ceiling(sqrt(y))² - y). A219963

Number of multiplex juggling cards with n balls and capacity 3. A370306

Expansion of 1/((1-x)*(1-2x)*(1-11x)). A16206