Properties of the Number 68998

Sixty-Eight Thousand Nine Hundred Ninety-Eight

Basics

Value: 68997 → 68998 → 68999

Parity: even

Prime: No

Previous Prime: 68993

Next Prime: 69001

Digit Sum: 40

Digital Root: 4

Palindrome: No

Factorization: 2 × 34499

Divisors: 1, 2, 34499, 68998

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000110110000110

Octal: 206606

Duodecimal: 33B1A

Hexadecimal: 10d86

Square: 4760724004

Square Root: 262.67470376874894

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

Difference of consecutive integers nearest to Li(10ⁿ) - Li(2), where Li(x) = integral(0..x, dt/log(t)) (A190802, known as Gauss' approximation for the number of primes below 10ⁿ). A228067

Numbers m such that the concatenation of the prime factors of m (in increasing order and ignoring multiplicity) is prime. A68998

Numbers k such that twice the number of divisors of k is equal to the number of divisors of the sum of digits of k. A306510