Properties of the Number -28088

Twenty-Eight Thousand Eighty-Eight

Basics

Value: -28089 → -28088 → -28087

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ³ × 3511

Divisors: 1, 2, 4, 8, 3511, 7022, 14044, 28088

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110110110111000

Octal: -66670

Duodecimal: -14308

Hexadecimal: -6db8

Square: 788935744

Square Root: 167.594749321093

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

Numbers k such that 2^k mod k = 2^k mod k². A68535

a(n) = ∑_i=0..n digsum₄(i)⁴, where digsum₄(i) = A053737(i). A231667

Numbers k that are not powers of 2 such that 2^k mod k = 2^k mod k²; or A068535 with powers of 2 excluded. A125773

Numbers k such that the ring of integers of Q(2^1/k) is not Z[2^1/k]. A342390

a(n) = n⁵-n⁴-n³-n²-n. A152017

G.f. satisfies: A(x) = ∑_n>=0 xⁿ*[∑_k=0..n C(n,k)³ *x^k* A(x)^2k]. A187000

G.f. satisfies: A(x) = 1 + x·A(x)⁴ / (A(x) - x·A'(x)). A245768