Properties of the Number 87500

Eighty-Seven Thousand Five Hundred

Basics

Value: 87499 → 87500 → 87501

Parity: even

Prime: No

Previous Prime: 87491

Next Prime: 87509

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 5 ⁵ × 7

Divisors: 1, 2, 4, 5, 7, 10, 14, 20, 25, 28

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101010111001100

Octal: 252714

Duodecimal: 42778

Hexadecimal: 155cc

Square: 7656250000

Square Root: 295.8039891549808

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

Hypotenuses for which there exist exactly 5 distinct Pythagorean triangles. A84649

Number of permutations of 4 indistinguishable copies of 1..n arranged in a circle with exactly 1 local maximum. A159727

The n-th arithmetic derivative of 5⁶. A129152

G.f. A(x) satisfies A(x) = ( 1 + 25·x*A(x)² )^1/5. A385203

Digits of n' end in n, where n' is the arithmetic derivative of n. A249540

Matrix inverse of triangle A088956. A215534

Number of permutations of n elements divided by the number of quaternary heaps on n+1 elements. A273732

Terms of A301517 that are not exponentially odd numbers (A268335). A335989

a(n) = ∑_k=0..n (k+1) * T(n,k), with T given by A026386. A26955

Numbers k such that A174141(k) is divisible by k. A32581