Properties of the Number 77001

Seventy-Seven Thousand One

Basics

Value: 77000 → 77001 → 77002

Parity: odd

Prime: No

Previous Prime: 76991

Next Prime: 77003

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 25667

Divisors: 1, 3, 25667, 77001

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010110011001001

Octal: 226311

Duodecimal: 38689

Hexadecimal: 12cc9

Square: 5929154001

Square Root: 277.49054037930733

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

Odd numbers which take a record number of steps to reach {1, 9, or 33} under iteration of the map described in the comments section of A135730. A261674

Number of nonempty subsets of {1,2,...,n} in which exactly 2/5 of the elements are <= (n-4)/2. A48066

a(1) = 1, a(n+1) is the largest squarefree number <= n·a(n). A77001