Properties of the Number -21714

Twenty-One Thousand Seven Hundred Fourteen

Basics

Value: -21715 → -21714 → -21713

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 7 × 11 × 47

Divisors: 1, 2, 3, 6, 7, 11, 14, 21, 22, 33

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101010011010010

Octal: -52322

Duodecimal: -10696

Hexadecimal: -54d2

Square: 471497796

Square Root: 147.35671006099452

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

The r-th term of the n-th row of the following array contains the sum of r successively decreasing integers beginning from n, 0 < r <= n (see Example). A110426

G.f. A(x) satisfies: A(x) = 1 + x·A(x)³/(1 - x). A307678

Smallest multiple of n using all the digits of all its divisors (a permutation of the concatenation of its divisors), or 0 if no such number exists. A77351

Bisect A053445 then calculate the first differences of the resulting sequence. A160643

Perimeters of nondegenerate triangles with integer areas, whose side lengths are triangular numbers. A385737

Number of n-digit 6th powers. A216656

Volume of elliptic cone (rounded down) with semi-minor axis = height = n and semi-major axis = 3·n/2. A228391

Number of 3D walks of type abb. A302181

Fibonacci sequence beginning 0, 22. A22356

Let x(1)x(2)...x(q) the decimal expansion of the numbers k having exactly q distinct prime divisors p(1) < p(2) < ... < p(q). Sequence lists the numbers k such that p(1)/x(q) + p(2)/x(q-1)+ ... + p(q)/x(1) is an integer. A235153