Properties of the Number 63521

Sixty-Three Thousand Five Hundred Twenty-One

Basics

Value: 63520 → 63521 → 63522

Parity: odd

Prime: Yes

Previous Prime: 63499

Next Prime: 63527

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 63521

Divisors: 1, 63521

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1111100000100001

Octal: 174041

Duodecimal: 30915

Hexadecimal: f821

Square: 4034917441

Square Root: 252.03372790164414

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

Numbers n such that (11ⁿ - 4ⁿ)/7 is prime. A216181

Primes of the form k² + 17. A228244

Primes q such that p = (r+q+s-1)/2 is a balanced prime, where r, q, s are consecutive primes. A129190

Primes of the form 10·k²+14·k+5, k >= 0. A154412

a(n) = 3·b₃(n)+2, where b₃ lists the zeros of the sequence A261303: u(n+1)=abs(u(n)-gcd(u(n),3·n+2)), u(1)=1. A186255

Number of binary arrays indicating the locations of trailing edge maxima of a random length-n 0..7 array extended with zeros and convolved with 1,2,1. A222126

Primes k such that the concatenation of (b, k, b) and (k, b, k) are both prime, where b is the binary representation of k. A389801

a(n) = n*(7·n²-4)/3. A63521

Initial member of 9 consecutive primes {a, b, c, d, e, f, g, h, i} such that (a + b + c)/3, (d + e + f)/3 and (g + h + i)/3 are all prime. A294147