Properties of the Number 77727

Seventy-Seven Thousand Seven Hundred Twenty-Seven

Basics

Value: 77726 → 77727 → 77728

Parity: odd

Prime: No

Previous Prime: 77723

Next Prime: 77731

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 13 × 1993

Divisors: 1, 3, 13, 39, 1993, 5979, 25909, 77727

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010111110011111

Octal: 227637

Duodecimal: 38B93

Hexadecimal: 12f9f

Square: 6041486529

Square Root: 278.79562406895843

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

Coefficient of q³ in ν(n), where ν(0)=1, ν(1)=b and, for n>=2, ν(n)=b*ν(n-1)+λ*(1+q+q²+...+q^n-2)*ν(n-2) with (b,λ)=(1,3). A74357

Numbers having four 7's in base 10. A43520

Hypothetical numbers of terms in general expressions for coefficients of Lovelock Lagrangians. A45900

Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-1) - 1, where a(0) = 1, a(1) = 3, b(0) = 2, b(1) = 4. A293767

Smallest multiple of n beginning with n and having a digit sum n, or 0 if no such number exists. A77727

Numbers k such that 7·R_k - 50 is prime, where R_k = 11...1 is the repunit (A002275) of length k. A256726