Properties of the Number 8069

Eight Thousand Sixty-Nine

Basics

Value: 8068 → 8069 → 8070

Parity: odd

Prime: Yes

Previous Prime: 8059

Next Prime: 8081

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 8069

Divisors: 1, 8069

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111110000101

Octal: 17605

Duodecimal: 4805

Hexadecimal: 1f85

Square: 65108761

Square Root: 89.8276126811795

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 do not contain any other prime as a proper substring. A33274

Primes with first digit 8. A45714

Discriminants of real quadratic fields with form class number 3. A391421

a(1) = 10; a(n) is smallest number >= a(n-1) such that the juxtaposition a(1)a(2)...a(n) is a prime. A111524

Number of nX2 0..1 arrays with every element unequal to 2, 3 or 4 king-move adjacent elements, with upper left element zero. A303684

Least sum of 3 distinct nonzero squares in exactly n ways. A25415

Primes having only 0,4,6,8,9 as digits. A61372

Primes p such that 2·p+1 and 2·p+3 are twin primes. A126107

a(n) is the conjectured highest power of n which has no four identical digits in succession. A216065

T(n,k)=Number of nXk 0..1 arrays with every element unequal to 2, 3 or 4 king-move adjacent elements, with upper left element zero. A303690