Properties of the Number 84364

Eighty-Four Thousand Three Hundred Sixty-Four

Basics

Value: 84363 → 84364 → 84365

Parity: even

Prime: No

Previous Prime: 84349

Next Prime: 84377

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 7 × 23 × 131

Divisors: 1, 2, 4, 7, 14, 23, 28, 46, 92, 131

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: Yes

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: 10100100110001100

Octal: 244614

Duodecimal: 409A4

Hexadecimal: 1498c

Square: 7117284496

Square Root: 290.4548157631407

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

∏_{d∣n, d>1} prime(A003415(d)), where A003415(x) gives the arithmetic derivative of x. A327930

a(n) = (1/φ(n)) * ∑_j=1..n ∑_k=1..n φ(n·j*k). A372668

a(n) = ∑_k=0..n C(n,3k)². A119363

Define the operations M: multiply by 11, D: divide by 11, R: reverse digits. Sequence gives trajectory of 19 under action of M,R,D,R. A84364