Properties of the Number 73640

Seventy-Three Thousand Six Hundred Forty

Basics

Value: 73639 → 73640 → 73641

Parity: even

Prime: No

Previous Prime: 73637

Next Prime: 73643

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ³ × 5 × 7 × 263

Divisors: 1, 2, 4, 5, 7, 8, 10, 14, 20, 28

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001111110101000

Octal: 217650

Duodecimal: 36748

Hexadecimal: 11fa8

Square: 5422849600

Square Root: 271.36691028937184

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

Nonunitary weird numbers: numbers that are nonunitary abundant but not nonunitary pseudoperfect. A327948

a(1) = 2; a(n) = smallest prime greater than the previous term such that concatenation of two successive terms is a prime. A73640

a(n) is the number of fixed tree polycubes of size n that are proper in n-5 dimensions. A290868