Properties of the Number 88821

Eighty-Eight Thousand Eight Hundred Twenty-One

Basics

Value: 88820 → 88821 → 88822

Parity: odd

Prime: No

Previous Prime: 88819

Next Prime: 88843

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 71 × 139

Divisors: 1, 3, 9, 71, 139, 213, 417, 639, 1251, 9869

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101101011110101

Octal: 255365

Duodecimal: 43499

Hexadecimal: 15af5

Square: 7889170041

Square Root: 298.0285221249805

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 of length n binary words with fewer than 4 0-digits between any pair of consecutive 1-digits. A145112

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, 1), (-1, 1, 0), (0, 0, -1), (1, 0, 1)}. A149239

a(n) is the sum of smallest prime factors of numbers from 1 to n. A88821