Properties of the Number 64250

Sixty-Four Thousand Two Hundred Fifty

Basics

Value: 64249 → 64250 → 64251

Parity: even

Prime: No

Previous Prime: 64237

Next Prime: 64271

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 5 ³ × 257

Divisors: 1, 2, 5, 10, 25, 50, 125, 250, 257, 514

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111101011111010

Octal: 175372

Duodecimal: 31222

Hexadecimal: fafa

Square: 4128062500

Square Root: 253.4758371127315

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

Number of n-step self-avoiding walks on 5-d cubic lattice. A10576

Number of 3 X n 0..1 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards. A279979

a(n) = (p-1)! mod p³, where p = prime(n). A330526

G.f. A(x) satisfies: 1 - x = ∏_n>=1 (1 + x^2·n*A(x)²) / (1 + xⁿ*A(x)). A352176

Square array: A(r,1) = A065621(r); for c > 1, A(r,c) = A048724(A(r,c-1)), read by descending antidiagonals as A(1,1), A(1,2), A(2,1), A(1,3), A(2,2), A(3,1), etc. A277820

Values of m such that N=(am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,27. A64250