Properties of the Number 86606

Eighty-Six Thousand Six Hundred Six

Basics

Value: 86605 → 86606 → 86607

Parity: even

Prime: No

Previous Prime: 86599

Next Prime: 86627

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 13 × 3331

Divisors: 1, 2, 13, 26, 3331, 6662, 43303, 86606

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: 10101001001001110

Octal: 251116

Duodecimal: 42152

Hexadecimal: 1524e

Square: 7500599236

Square Root: 294.28897362966217

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

Sum of squares of the first n primes. A24450

Consider the line segment in Rⁿ from the origin to the point v=(2,3,5,7,11,...) with prime coordinates; let d = squared distance to this line from the closest point of Zⁿ (excluding the endpoints). Sequence gives d times v.v. A59804

Indices where the cumulative sum of sin(2k+1)^2k+1 reaches a record low value. A387730

Sum of the squares of the first 3ⁿ primes. A131591

Expansion of (g/(1 + x·g))², where g = 1+x·g⁴ is the g.f. of A002293. A391604

Sum of the squares of the first nⁿ primes. A131592

Triangle, read by rows, where the n-th row is the first n terms of the n-th self-convolution of the sequence formed by flattening this triangle. A86606