Properties of the Number 64693

Sixty-Four Thousand Six Hundred Ninety-Three

Basics

Value: 64692 → 64693 → 64694

Parity: odd

Prime: Yes

Previous Prime: 64679

Next Prime: 64709

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 64693

Divisors: 1, 64693

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1111110010110101

Octal: 176265

Duodecimal: 31531

Hexadecimal: fcb5

Square: 4185184249

Square Root: 254.34818654749634

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 of the form abs(1/(36)(n⁶ - 126n⁵ + 6217n⁴ - 153066n³ + 1987786n² - 13055316n + 34747236)) in order of increasing nonnegative n. A272555

Fifth term of weak prime sextet: p(m-3)-p(m-4) < p(m-2)-p(m-3) < p(m-1)-p(m-2) < p(m)-p(m-1) < p(m+1)-p(m). A54832

The smallest prime p that makes the pair p+/-6n both primes while no other pair of p+/-6k+6·n, 0<k<n both primes. A139602

a(n) = (n⁶ - 126·n⁵ + 6217·n⁴ - 153066·n³ + 1987786·n² - 13055316·n + 34747236)/36. A121888

Least prime P such that 3·p(n)*P*(3·p(n)*P+1)-1, 3·p(n)*P*(3·p(n)*P+1)+1,3·p(n)*P*(3·p(n)*P+3)-1,3·p(n)*P*(3·p(n)*P+3)+1 are all primes with p(i) = i-th prime. A137839

Numbers k such that 72^k - 71^k is prime. A62638

Number of connected components remaining when decimal expansion of the number n is cut from a piece of paper. A64693

Number of 5Xn 0..1 arrays with every 1 horizontally or antidiagonally adjacent to 1 neighboring 1s. A297227