Properties of the Number -22072

Twenty-Two Thousand Seventy-Two

Basics

Value: -22073 → -22072 → -22071

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ³ × 31 × 89

Divisors: 1, 2, 4, 8, 31, 62, 89, 124, 178, 248

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101011000111000

Octal: -53070

Duodecimal: -10934

Hexadecimal: -5638

Square: 487173184

Square Root: 148.5664834341851

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

Consider n equally spaced points along a line and join every pair of points by a semicircle above the line; a(n) is the number of intersection points. A290447

Triples (a,b,c) such that (a+b+c)³ = concat(a,b,c), a, b, c > 0, ordered by size of this value. A328199

Denominators of continued fraction convergents to sqrt(561). A42075

E.g.f. satisfies: A(x) = exp( x·sqrt(A(x)/A(-x)) ). A143599

Trajectory of 1 under map n->21n+1 if n odd, n->n/2 if n even. A33967

Trajectory of 3 under map n->21·n+1 if n odd, n->n/2 if n even. A37108

a(n) = floor(M(g(n-1)+1,..,g(n))), where M = harmonic mean and g(n) = n*(n + 1)*(n + 2)*(n + 3)/24. A227018

Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where column k is the expansion of B(x)^k, where B(x) is the g.f. of A382450. A384777

Expansion of 1/(g² * (2 - g²)), where g = 1+x·g⁴ is the g.f. of A002293. A391515