Properties of the Number 87509

Eighty-Seven Thousand Five Hundred Nine

Basics

Value: 87508 → 87509 → 87510

Parity: odd

Prime: Yes

Previous Prime: 87491

Next Prime: 87511

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 87509

Divisors: 1, 87509

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101010111010101

Octal: 252725

Duodecimal: 42785

Hexadecimal: 155d5

Square: 7657825081

Square Root: 295.81920154040034

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

Initial term in sequence of four consecutive primes separated by 3 consecutive differences each <=6 (i.e., when d=2,4 or 6) and forming d-pattern=[2, 6,6]; short d-string notation of pattern = [266]. A78849

Class 7+ primes. A81635

Primes p for which exactly five bases b with 1 < b < p exist such that p is a base b Wieferich prime. A255208

The number of vertices on a vesica piscis formed by the straight line segments mutually connecting all vertices and all points that divide the sides into n equal parts. A341878

a(n) is the smallest lesser twin prime p from A001359 such that the distance to the previous lesser twin prime is 6·n. A340573

Number of k such that (k·n) == 2 (mod 3) for 0 <= k <= n. A87509