Properties of the Number 20064

Twenty Thousand Sixty-Four

Basics

Value: 20063 → 20064 → 20065

Parity: even

Prime: No

Previous Prime: 20063

Next Prime: 20071

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 ⁵ × 3 × 11 × 19

Divisors: 1, 2, 3, 4, 6, 8, 11, 12, 16, 19

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100111001100000

Octal: 47140

Duodecimal: B740

Hexadecimal: 4e60

Square: 402564096

Square Root: 141.6474496770062

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 achiral free pure multifunctions with n unlabeled leaves. A317875

a(n) = 2·a(n-1) + 2·a(n-2); a(0)=0, a(1)=3. A83337

a(n) = 14·n² - 4·n. A195023

Triangle of coefficients of Chebyshev polynomials T_2n+1 (x). A84930

a(1) =4, a(n) = smallest multiple of a(n-1) (not equal to 10^k*a(n-1)) obtained by inserting digits anywhere in a(n-1). A80489

Numbers of the form p⁵*q·r*s where p, q, r, and s are distinct primes. A179704

Common differences in triples of squares in arithmetic progression, that are not a multiples of other triples in (A198384, A198385, A198386). A198438

Number of 2 X 2 matrices having all terms in {1,...,n} and positive even determinant. A211067

Area A of the cyclic quadrilaterals PQRS with PQ>=QR>=RS>=SP, such that A, the sides, the radius of the circumcircle and the two diagonals are integers. A219225

a(n) = ∑_{k=0..floor(n/3)} 2^k * binomial(2·k+1,2·n-6·k+1). A387769