Properties of the Number 89725

Eighty-Nine Thousand Seven Hundred Twenty-Five

Basics

Value: 89724 → 89725 → 89726

Parity: odd

Prime: No

Previous Prime: 89689

Next Prime: 89753

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 5 ² × 37 × 97

Divisors: 1, 5, 25, 37, 97, 185, 485, 925, 2425, 3589

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101111001111101

Octal: 257175

Duodecimal: 43B11

Hexadecimal: 15e7d

Square: 8050575625

Square Root: 299.5413160150032

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

Numerators of the squared radii corresponding to circular disks covering record numbers of grid points A346993 of the square lattice. A346994

Positive numbers y such that y² is of the form x²+(x+577)² with integer x. A159626

Let f(n) = (2n+1), g(n) = (n-1)/2. Then a(n) = f(f(f(...(n)))), where one gets prime at every step. If f(n) is not a prime then a(n) = g(g(g...(n)))) where one gets a prime at every step. If f(n) and g(n) both are composite then a(n) = 0. A89725