Properties of the Number 87800

Eighty-Seven Thousand Eight Hundred

Basics

Value: 87799 → 87800 → 87801

Parity: even

Prime: No

Previous Prime: 87797

Next Prime: 87803

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ³ × 5 ² × 439

Divisors: 1, 2, 4, 5, 8, 10, 20, 25, 40, 50

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10101011011111000

Octal: 253370

Duodecimal: 42988

Hexadecimal: 156f8

Square: 7708840000

Square Root: 296.3106478005811

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

a(n) = (n⁴ + 2·n³ - n²)/2. A255499

Numbers k such that k and k² use only the digits 0, 1, 4, 7 and 8. A136864

Numbers k such that k and k² use only the digits 0, 2, 4, 7 and 8. A136906

Numbers k such that k and k² use only the digits 0, 3, 4, 7 and 8. A136933

Numbers k such that k and k² use only the digits 0, 4, 5, 7 and 8. A136951

Numbers k such that k and k² use only the digits 0, 4, 6, 7 and 8. A136954

Numbers k such that k and k² use only the digits 0, 4, 7, 8 and 9. A136959

Numbers k such that k and k² use only the digits 0, 4, 7 and 8. A136958

a(n) = 12·a(n-1) - a(n-2), with a(0) = 2 and a(1) = 12. A87800