Properties of the Number -40220

Forty Thousand Two Hundred Twenty

Basics

Value: -40221 → -40220 → -40219

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 8

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 5 × 2011

Divisors: 1, 2, 4, 5, 10, 20, 2011, 4022, 8044, 10055

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1001110100011100

Octal: -116434

Duodecimal: -1B338

Hexadecimal: -9d1c

Square: 1617648400

Square Root: 200.54924582256598

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 unrooted self-avoiding walks with n steps that can make turns from the set +-π/7, +-3*π/7, +-5*π/7. A306177

Least number 2k such that p² divides the numerator of the Bernoulli number B(2k), where p is the n-th irregular prime, A000928(n). A92681

Number of edges in a complete bipartite graph where the vertices in the two parts are placed on opposite sides of a parabola at integer·coordinates |x| = 1, 2, ...n. A392427

Numbers k such that the number of primes <= k is φ(φ(k)). A63999