Properties of the Number 71228

Seventy-One Thousand Two Hundred Twenty-Eight

Basics

Value: 71227 → 71228 → 71229

Parity: even

Prime: No

Previous Prime: 71209

Next Prime: 71233

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 17807

Divisors: 1, 2, 4, 17807, 35614, 71228

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001011000111100

Octal: 213074

Duodecimal: 35278

Hexadecimal: 1163c

Square: 5073427984

Square Root: 266.88574334347646

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

Expansion of (1/x) * Series_Reversion( x*(1-x)/(1+x⁵) ). A366025

a(n) = n*(n-th composite number). A71228