Properties of the Number 68218

Sixty-Eight Thousand Two Hundred Eighteen

Basics

Value: 68217 → 68218 → 68219

Parity: even

Prime: No

Previous Prime: 68213

Next Prime: 68219

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 23 × 1483

Divisors: 1, 2, 23, 46, 1483, 2966, 34109, 68218

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10000101001111010

Octal: 205172

Duodecimal: 3358A

Hexadecimal: 10a7a

Square: 4653695524

Square Root: 261.1857576515228

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

Number of almost base-2 palindromic primes (A095743) in range ]2ⁿ,2ⁿ⁺¹]. A95753

Indices of triple-safe primes: p=prime(n) is double-safe: q=(p-1)/2, r=(q-1)/2 and s=(r-1)/2 are all prime (and q is double-safe). A75134

Triangle of numbers of square lattice walks that start and end at origin after 2k steps and contain exactly r steps to the east, not touching origin at intermediate stages. A68218