Properties of the Number 82661

Eighty-Two Thousand Six Hundred Sixty-One

Basics

Value: 82660 → 82661 → 82662

Parity: odd

Prime: No

Previous Prime: 82657

Next Prime: 82699

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 131 × 631

Divisors: 1, 131, 631, 82661

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100001011100101

Octal: 241345

Duodecimal: 3BA05

Hexadecimal: 142e5

Square: 6832840921

Square Root: 287.50826075088696

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

Discriminants of totally real cubic fields in which every norm-positive unit is totally positive. A329769

Number of length n arrays of permutations of 0..n-1 with each element moved by -9 to 9 places and the average of every three consecutive elements is never greater than the median of the previous three elements. A263735

a(n) is the number of integers that can be represented in a 7-segment display by using only n segments (version A063720). A350439

T(n,k)=Number of length n arrays of permutations of 0..n-1 with each element moved by -k to k places and the average of every three consecutive elements is never greater than the median of the previous three elements. A263736

Numbers n such that A082596(n) = A050221(n), sequence gives A060863(n). A82661