Properties of the Number 68108

Sixty-Eight Thousand One Hundred Eight

Basics

Value: 68107 → 68108 → 68109

Parity: even

Prime: No

Previous Prime: 68099

Next Prime: 68111

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 17027

Divisors: 1, 2, 4, 17027, 34054, 68108

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000101000001100

Octal: 205014

Duodecimal: 334B8

Hexadecimal: 10a0c

Square: 4638699664

Square Root: 260.9750945971665

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) = A333552(A333551(n)): indices of terms in Recamán's sequence A005132 where the construction avoided a record-sized collision. A333553

a(1) = 1; a(n+1) = sum{k∣n k<=sqrt(n)} a(k) where sum is over the positive divisors k of n with k <= sqrt(n). A68108