Properties of the Number 68470

Sixty-Eight Thousand Four Hundred Seventy

Basics

Value: 68469 → 68470 → 68471

Parity: even

Prime: No

Previous Prime: 68449

Next Prime: 68473

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 5 × 41 × 167

Divisors: 1, 2, 5, 10, 41, 82, 167, 205, 334, 410

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000101101110110

Octal: 205566

Duodecimal: 3375A

Hexadecimal: 10b76

Square: 4688140900

Square Root: 261.66772823563855

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

a(n) = ∏_d∣n prime(d). A275700

Numbers of squares formed by this procedure on n-th step: Step 1, draw a unit square. Step n, draw a unit square with center in every intersection of lines of the figure in step n-1. A336288

Sequence associated with palindromic structures. A86444

Number of walks within N² (the first quadrant of Z²) starting at (0,0) and consisting of n steps taken from {(-1, -1), (-1, 1), (0, 1), (1, 0)}. A151280

(1, 1, 2, 3, 5, 7, 11, ...) convolved with (1, 0, 1, 2, 3, 5, 7, 11, ...); given A000041 = (1, 1, 2, 3, 5, 7, ...). A179906

a(n) = (A051894(n) - 1)/2. A361152

Decimal expansion of exp(sqrt(π)). A68470