Properties of the Number 88820

Eighty-Eight Thousand Eight Hundred Twenty

Basics

Value: 88819 → 88820 → 88821

Parity: even

Prime: No

Previous Prime: 88819

Next Prime: 88843

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 5 × 4441

Divisors: 1, 2, 4, 5, 10, 20, 4441, 8882, 17764, 22205

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101101011110100

Octal: 255364

Duodecimal: 43498

Hexadecimal: 15af4

Square: 7888992400

Square Root: 298.0268444284843

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 nonempty subsets of {1,2,...,n} with no gap of length greater than 4 (a set S has a gap of length d if a and b are in S but no·with a < x < b is in S, where b-a=d). A119407

Numbers k such that k-1, k-3, k-7 and k-9 are all prime. A64974

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 0), (0, -1, 1), (0, 1, -1), (1, -1, 0), (1, 0, 1)}. A148952

Numbers k with abundance radius of 8, i.e., abs(σ(k)-2·k) = 8. A88820

Numbers k where there are 8 primes between 10·k and 10·k + 30. A282059