Properties of the Number 68479

Sixty-Eight Thousand Four Hundred Seventy-Nine

Basics

Value: 68478 → 68479 → 68480

Parity: odd

Prime: No

Previous Prime: 68477

Next Prime: 68483

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 31 × 47 ²

Divisors: 1, 31, 47, 1457, 2209, 68479

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10000101101111111

Octal: 205577

Duodecimal: 33767

Hexadecimal: 10b7f

Square: 4689373441

Square Root: 261.68492505301106

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

Values A such that p=prime(n) satisfies binomial(2p-1, p-1) == 1 + A·p (mod p⁴). A260209

Primeshift array for primegap shift: Square array read by antidiagonals: A(1,col) = 3·col, and for row > 1, A(row,col) = A389084(A(row-1,col)). A389086

Numbers k such that A001414(k+1) = A001414(k)+1 and A001414(k)²+3·A001414(k)+1 is prime. A352581

Numbers k such that 2·k² + 29 is semiprime. A353004

Semiprimes generated by the polynomial 2·n² + 29. A241554

Composite numbers of the form 2·k² + 29. A352949

Engel expansion of γ(1/4)=3.62560990822190831193... A68479