Properties of the Number 68489

Sixty-Eight Thousand Four Hundred Eighty-Nine

Basics

Value: 68488 → 68489 → 68490

Parity: odd

Prime: Yes

Previous Prime: 68483

Next Prime: 68491

Digit Sum: 35

Digital Root: 8

Palindrome: No

Factorization: 68489

Divisors: 1, 68489

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000101110001001

Octal: 205611

Duodecimal: 33775

Hexadecimal: 10b89

Square: 4690743121

Square Root: 261.7040313025384

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

Primes that can be written as a sum of a positive square and a positive cube in more than two ways. A206606

Primes p for which p + 2, p³ + 2 and p⁵ + 2 are prime. A242326

a(n) = ∑_k=1..n k^ω(k). A347616

Primes using only the composite digits (4, 6, 8, 9) and all of them. A157527

Number of nondecreasing arrangements of 5 numbers in -(n+3)..(n+3) with sum zero and not more than two numbers equal. A188238

m for which prime(m) is the least prime dividing #prime(n) - 1, i.e., one less than primorial n-th prime (A057588). A68489