Properties of the Number -32020

Thirty-Two Thousand Twenty

Basics

Value: -32021 → -32020 → -32019

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 7

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 5 × 1601

Divisors: 1, 2, 4, 5, 10, 20, 1601, 3202, 6404, 8005

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -111110100010100

Octal: -76424

Duodecimal: -16644

Hexadecimal: -7d14

Square: 1025280400

Square Root: 178.94133116750865

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

Square array T(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where T(n,k) = n! * ∑_j=0..n (-k)^n-j * (n-j)^j/j!. A351776

a(n) = n*(n² + 1)/2. A6003

T(n,k)=Number of nXk 0..1 arrays with diagonals and rows unimodal and antidiagonals nondecreasing. A224158

T(n,k)=Number of length n+3 0..k arrays with no four elements in a row with pattern aabb (with a≠b) and new values 0..k introduced in 0..k order. A242584

a(n) = (n - 1)*(4·n² - 8·n + 5). A317297

Row sums of the triangular array A246696. A246697

a(n) = 1000·n + 20. A157510

Number of n X 3 0..1 arrays with diagonals and rows unimodal and antidiagonals nondecreasing. A224153

Number of length n+3 0..3 arrays with no four elements in a row with pattern aabb (with a≠b) and new values 0..3 introduced in 0..3 order. A242579

Indices of Ulam prime triples, where u(k), u(k+1) and u(k+2) are all primes, and u(k) = A002858(k) are the Ulam numbers. A307330