Properties of the Number 84772

Eighty-Four Thousand Seven Hundred Seventy-Two

Basics

Value: 84771 → 84772 → 84773

Parity: even

Prime: No

Previous Prime: 84761

Next Prime: 84787

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 21193

Divisors: 1, 2, 4, 21193, 42386, 84772

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100101100100100

Octal: 245444

Duodecimal: 41084

Hexadecimal: 14b24

Square: 7186291984

Square Root: 291.15631540462937

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 7-step self-avoiding walks on an n X n square summed over all starting positions. A188152

Numbers k such that 9·R_k + 7·10^k - 2 is prime, where R_k = 11...11 is the repunit (A002275) of length k. A259134

T(n,k)=Number of n-step self-avoiding walks on a kXk square summed over all starting positions. A188147

Coefficients of 1/sqrt(1 - 12·x + 16·x²); also, a(n) is the central coefficient of (1 + 6·x + 5·x²)ⁿ. A84772