Properties of the Number 86279

Eighty-Six Thousand Two Hundred Seventy-Nine

Basics

Value: 86278 → 86279 → 86280

Parity: odd

Prime: No

Previous Prime: 86269

Next Prime: 86287

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 19 ² × 239

Divisors: 1, 19, 239, 361, 4541, 86279

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10101000100000111

Octal: 250407

Duodecimal: 41B1B

Hexadecimal: 15107

Square: 7444065841

Square Root: 293.73287184106584

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

The number of Feynman graphs in φ³ theory with 2n vertices, 2 external legs. A352175

Number of (n+2) X (2+2) 0..3 arrays with every 3 X 3 subblock row and column sum nonprime and every diagonal and antidiagonal sum prime. A251839

Decimal expansion of 2nd Stieltjes constant gamma₂ (negated). A86279

T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row and column sum nonprime and every diagonal and antidiagonal sum prime. A251845

Initial primes of 7 consecutive primes with 6 consecutive gaps 12, 10, 8, 6, 4, 2. A290161

Array read by antidiagonals: T(n,k) = max(2^{n - k}, 2^{k - n}). A116588