Properties of the Number 84216

Eighty-Four Thousand Two Hundred Sixteen

Basics

Value: 84215 → 84216 → 84217

Parity: even

Prime: No

Previous Prime: 84211

Next Prime: 84221

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ³ × 3 × 11 ² × 29

Divisors: 1, 2, 3, 4, 6, 8, 11, 12, 22, 24

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10100100011111000

Octal: 244370

Duodecimal: 408A0

Hexadecimal: 148f8

Square: 7092334656

Square Root: 290.19993108200424

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

Non-palindromes in A110751; that is, non-palindromic numbers n such that n and R(n) have the same prime divisors, where R(n) = digit reversal of n. A110819

Integer part of γ(n+5/9)/γ(5/9). A20066

Decimal expansion of the constant 1/2! + 1/5! + 1/8! + ... = 0.50835 81599 84216 ... . A143821

Integer averages of halves of first cubes of natural numbers (n³)/2 for some n. A164579

Reversible Lynch-Bell numbers. A117954

a(n) = smallest integer d such that a quadratic representation (2n+1)= x²+ d·y² exists (x,y positive integers). A84216