Properties of the Number 43328

Forty-Three Thousand Three Hundred Twenty-Eight

Basics

Value: 43327 → 43328 → 43329

Parity: even

Prime: No

Previous Prime: 43321

Next Prime: 43331

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ⁶ × 677

Divisors: 1, 2, 4, 8, 16, 32, 64, 677, 1354, 2708

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010100101000000

Octal: 124500

Duodecimal: 210A8

Hexadecimal: a940

Square: 1877315584

Square Root: 208.153789300123

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

Numbers k such that k![7]-1 is prime (where k![7] = A114799(k) = septuple factorial). A156167

a(n) = ∑_{k=0..floor(n/3)} 2^k * binomial(2·k,2·n-6·k). A387763

First of three consecutive Ulam numbers (A002858) in arithmetic progression with difference 22. A68856

a(n) is the least integer k such that there are n values of i <= k for which gpf(i² + 1) = gpf(k² + 1), where gpf(x) is the greatest prime factor of x. A258840

Square array, read by antidiagonals, used to recursively calculate the zigzag numbers A000111. A185414

a(0)=1; a(1)=1; a(n)= a(n-1) + floor(sqrt(a(n-1)*a(n-2))) + floor(sqrt(a(n-3)*a(n-4))) + .... A43328