Properties of the Number 87385

Eighty-Seven Thousand Three Hundred Eighty-Five

Basics

Value: 87384 → 87385 → 87386

Parity: odd

Prime: No

Previous Prime: 87383

Next Prime: 87403

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 5 × 17477

Divisors: 1, 5, 17477, 87385

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10101010101011001

Octal: 252531

Duodecimal: 426A1

Hexadecimal: 15559

Square: 7636138225

Square Root: 295.6095397648729

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) = (4ⁿ + 11)/3. A163868

a(0) = 3, a(1) = 5, a(2) = 1, and a(n) = (2^{1 + n} - 11*(-1)ⁿ)/3 for n > 2. A115335

Total number of ON cells in the "Ulam-Warburton" two-dimensional cellular automaton of A147562 after A048645(n) generations. A255264

Shifts left when Dirichlet convolution with a (DC:(b,a)->c) applied 4 times. A144818

a(n) + a(n+1) = 2ⁿ for n >= 0 with a(0) = 4. A352692

a(n) = smallest prime == 1 (mod T(n)) where T(n) is the n-th triangular number (A000217). A87385