Properties of the Number 68219

Sixty-Eight Thousand Two Hundred Nineteen

Basics

Value: 68218 → 68219 → 68220

Parity: odd

Prime: Yes

Previous Prime: 68213

Next Prime: 68227

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 68219

Divisors: 1, 68219

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000101001111011

Octal: 205173

Duodecimal: 3358B

Hexadecimal: 10a7b

Square: 4653831961

Square Root: 261.1876719908503

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) = (A001147(n) + A047974(n))/2. A132101

Fourth term of weak prime sextet: p(m-2)-p(m-3) < p(m-1)-p(m-2) < p(m)-p(m-1) < p(m+1)-p(m) < p(m+2)-p(m+1). A54831

Fourth term of weak prime septet: p(m-2)-p(m-3) < p(m-1)-p(m-2) < p(m)-p(m-1) < p(m+1)-p(m) < p(m+2)-p(m+1) < p(m+3)-p(m+2). A54837

Tenth prime p such that (p+n)²+n is prime but (p+j)²+j is not prime for all 0<j<n. A238682

Third term of weak prime sextet: p(m-1)-p(m-2) < p(m)-p(m-1) < p(m+1)-p(m) < p(m+2)-p(m+1) < p(m+3)-p(m+2). A54830

Smallest prime (p) of six consecutive primes (p,q,r,u,v,w) for which the conic section discriminant (δ) is a perfect square. A327592

Number of distinct Tsuro tiles which are square and have n points per side. A132100

Denominators of coefficients in log(1+x)*(1+x)^1/3 power series. A68219