Properties of the Number -22142

Twenty-Two Thousand One Hundred Forty-Two

Basics

Value: -22143 → -22142 → -22141

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 × 11071

Divisors: 1, 2, 11071, 22142

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -101011001111110

Octal: -53176

Duodecimal: -10992

Hexadecimal: -567e

Square: 490268164

Square Root: 148.80188170853216

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 stacks, or arrangements of n pennies in contiguous rows, each touching 2 in row below. A1524

Number of compositions of n with all adjacent parts (x, y) satisfying x > 2y or y = 2x. A342336

a(0)=2, a(n) = n²+a(n-1). A153056

a(n) = A056520(n)+1 for n>0, a(0)=1. A179904

Number of fullerenes with 2n vertices (or carbon atoms), counting enantiomorphic pairs as distinct. A57210

Number of partitions of 3n in which every part is <=n. A209818

∏_n>=1 (1 + xⁿ)^a(n/n!) = 1 - log(1 - x). A352664

a(n) = least positive integer m such that m*(m+1) has n-2 distinct digits in base n, all distinct from those (base-n digits) of m and m+1. A381248

Numbers having four 3's in base 9. A43468