Properties of the Number 64609

Sixty-Four Thousand Six Hundred Nine

Basics

Value: 64608 → 64609 → 64610

Parity: odd

Prime: Yes

Previous Prime: 64601

Next Prime: 64613

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 64609

Divisors: 1, 64609

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111110001100001

Octal: 176141

Duodecimal: 31481

Hexadecimal: fc61

Square: 4174322881

Square Root: 254.18300493935467

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

Smallest prime having least positive primitive root n, or 0 if no such prime exists. A23048

24 'Reverse and Add' steps are needed to reach a palindrome. A65318

Primes that are congruent to -1 mod n, where n is the index of the prime. A52013

Primes p such that π(p) divides p-1 and/or p+1, where π(p) is the number of primes <= p. A162567

Primes p such that q = 2·p³-1 and 2·p*q²-1 are both prime. A224614

Let m = n-th number that is not a perfect power, A007916(n). Then a(n) = smallest prime having least positive primitive root m. A133432

Number of (w,x,y,z) with all terms in {0,...,n} and w=max{w,x,y,z}-min{w,x,y,z}; i.e., the range of (w,x,y,z) is its first term. A212744

Number of 2 X 2 matrices with all elements in {0,...,n} and prime determinant. A281315

Primes for which the smallest positive primitive root is odd and nonprime. A70269

Primes with 35 as smallest positive primitive root. A61738