Properties of the Number 77248

Seventy-Seven Thousand Two Hundred Forty-Eight

Basics

Value: 77247 → 77248 → 77249

Parity: even

Prime: No

Previous Prime: 77243

Next Prime: 77249

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 ⁶ × 17 × 71

Divisors: 1, 2, 4, 8, 16, 17, 32, 34, 64, 68

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 10010110111000000

Octal: 226700

Duodecimal: 38854

Hexadecimal: 12dc0

Square: 5967253504

Square Root: 277.93524425664333

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

Expansion of (elliptic_K / elliptic_E)^1/2 in powers of q. A261979

G.f. satisfies: A(x) = ∑_n>=0 xⁿ*A(x)^[n*φ] where φ = (1+sqrt(5))/2. A186576

Number of ways to place a non-attacking white and black bishop on n X n chessboard. A35288

Smallest k such that k and k+n have the same prime signature that is different from all previous terms. A85876

Bi-unitary deficient-perfect numbers: bi-unitary deficient numbers k for such that 2·k - bsigma(k) is a bi-unitary divisor of k, where bsigma(k) is the sum of bi-unitary divisors of k (A188999). A303358

Number of -n..n arrays x(0..3) of 4 elements with zero sum, and adjacent elements not equal modulo three (with -1 modulo 3 = 2). A199911

Combined Diophantine Chebyshev sequences A077246 and A077244. A77248

triangle of conversion vectors/ coefficients between adjusted to be Integers: Hermite-like: p(x,n)=2·x*p(x,n-1)-n·p(x,n-1); and Chebyshev-like: q(x,n)=2·x*q(x,n-1)-q(x,n-1);. A136666