Properties of the Number -2220065

Two Hundred Twenty Thousand Sixty-Five

Basics

Value: -2220066 → -2220065 → -2220064

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 5 × 31 × 14323

Divisors: 1, 5, 31, 155, 14323, 71615, 444013, 2220065

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1000011110000000100001

Octal: -10360041

Duodecimal: -8B0915

Hexadecimal: -21e021

Square: 4928688604225

Square Root: 1489.9882549872666

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

E.g.f.: exp(∑_n>=1 d(n) * xⁿ), where d(n) is the number of divisors of n. A294363

Square array A(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of e.g.f.: exp(∑_j>=1 sigma_k(j) * x^j). A294296