Properties of the Number 84907

Eighty-Four Thousand Nine Hundred Seven

Basics

Value: 84906 → 84907 → 84908

Parity: odd

Prime: No

Previous Prime: 84871

Next Prime: 84913

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 197 × 431

Divisors: 1, 197, 431, 84907

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100101110101011

Octal: 245653

Duodecimal: 41177

Hexadecimal: 14bab

Square: 7209198649

Square Root: 291.3880574079864

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

E.g.f.: exp(x) / (1 - 3·x)^1/3. A346258

a(n) = 4·p(n-1)*p(n+1) - p(n)², where p(k) = k-th prime. A327447

First of 5 consecutive semiprimes congruent to 1,2,3,4,5 (mod 6). A367104

Smallest semiprime p1·p2 such that p2 mod p1 = n and no prime is used more than once in the sequence. A386256

Numbers k such that 139·2^k-1 is prime. A50595

Indices of Fibonacci numbers that satisfy: ∑_k>=1 1/F(a(k)) = 1, where F(k) gives the k-th Fibonacci number with F(0)=1, such that the partial sums are nearest to, but never exceed, unity. A84907