Properties of the Number 67198

Sixty-Seven Thousand One Hundred Ninety-Eight

Basics

Value: 67197 → 67198 → 67199

Parity: even

Prime: No

Previous Prime: 67189

Next Prime: 67211

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 2 × 33599

Divisors: 1, 2, 33599, 67198

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000011001111110

Octal: 203176

Duodecimal: 32A7A

Hexadecimal: 1067e

Square: 4515571204

Square Root: 259.22577032386266

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

T(n,k) is the number of (n·k) X k binary arrays with nonzero rows in decreasing order and n ones in every column. A188445

a(n) = n³ - n² - n - 1. A83074

Number of n-regular hypergraphs on 5 labeled vertices. A331127

Number of (4·n) X n binary arrays with nonzero rows in decreasing order and 4 ones in every column. A188446

Numbers n such that σ(n+1)-σ(n) = -σ(n)/d(n), where d(n) denotes the number of divisors of n. A66177

a(n) = sigma₃(n) - sigma₂(n) - sigma₁(n). A92350

Numbers k such that σ(k) = φ(k) + φ(k-1). A67198