Properties of the Number 87258

Eighty-Seven Thousand Two Hundred Fifty-Eight

Basics

Value: 87257 → 87258 → 87259

Parity: even

Prime: No

Previous Prime: 87257

Next Prime: 87277

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 14543

Divisors: 1, 2, 3, 6, 14543, 29086, 43629, 87258

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 10101010011011010

Octal: 252332

Duodecimal: 425B6

Hexadecimal: 154da

Square: 7613958564

Square Root: 295.3946512718197

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

First 5-digit number to appear n times in the decimal expansion of π. A277171

T(n,k)=Number of (n+1)X(n+1) 0..k arrays with each 2X2 subblock determinant nonzero and the array of 2X2 subblock determinants symmetric under horizontal and vertical reflection. A187699

Numbers k for which A064380(k) = k/2. A185078

Numbers k such that iphi(k) divides k, where iphi is the infinitary Euler φ function (A064380). A373057

Number of (n+1)X(n+1) 0..3 arrays with each 2X2 subblock determinant nonzero and the array of 2X2 subblock determinants symmetric under horizontal and vertical reflection. A187698

Number of 4X4 0..n arrays with each 2X2 subblock determinant nonzero and the array of 2X2 subblock determinants symmetric under horizontal and vertical reflection. A187700

a(n) = gcd(n, A025586(n)), greatest common divisor of n and largest value in 3x+1 iteration list started at n. A87258