Properties of the Number 63445

Sixty-Three Thousand Four Hundred Forty-Five

Basics

Value: 63444 → 63445 → 63446

Parity: odd

Prime: No

Previous Prime: 63443

Next Prime: 63463

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 5 × 12689

Divisors: 1, 5, 12689, 63445

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1111011111010101

Octal: 173725

Duodecimal: 30871

Hexadecimal: f7d5

Square: 4025268025

Square Root: 251.88290930509754

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

Let p(n) be the n-th prime congruent to 1 mod 4. Then a(n) = the least k for which m²+1=p(n)*k² has a solution. A94049

Numbers k such that 1 + 2^k + 3^k + 5^k is prime. A268067

Determinant of the (p_n-1)/2 X (p_n-1)/2 matrix with (i,j)-entry being the Legendre symbol ((j-i)/p_n), where p_n is the n-th prime. A228077

Denominators of continued fraction convergents to sqrt(281). A41529

Smallest integer y satisfying the Pell equation x² - n·y² = -1 for the values of n given in A031396. A130227

Numbers k such that A339549(k) = A339549(k+1). A339550

Number of binary sequences of length n with an even number of ones, at least two of the ones being contiguous. A27711

Moebius transform of f(x) = EulerPhi(x²) function (A002618). A63445