Properties of the Number 87400

Eighty-Seven Thousand Four Hundred

Basics

Value: 87399 → 87400 → 87401

Parity: even

Prime: No

Previous Prime: 87383

Next Prime: 87403

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ³ × 5 ² × 19 × 23

Divisors: 1, 2, 4, 5, 8, 10, 19, 20, 23, 25

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101010101101000

Octal: 252550

Duodecimal: 426B4

Hexadecimal: 15568

Square: 7638760000

Square Root: 295.6349099818897

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

Diagonal sums of number triangle A113582. A154324

Number of strings of numbers x(i=1..n) in 0..3 with sum i²*x(i)² equal to n²*9. A184234

Expansion of x*(1 + 4·x + x²)/((1 - x)⁵*(1 + x)⁴). A290055

Number of nX4 0..1 arrays with every element unequal to 0, 1, 3 or 6 king-move adjacent elements, with upper left element zero. A304129

Wiener index of the n X n rook complement graph. A292058

Primes p such that p+2 is a piptorial number. Also numbers such that A080696(n)- 2 is prime. A87400