Properties of the Number 64082

Sixty-Four Thousand Eighty-Two

Basics

Value: 64081 → 64082 → 64083

Parity: even

Prime: No

Previous Prime: 64081

Next Prime: 64091

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 179 ²

Divisors: 1, 2, 179, 358, 32041, 64082

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111101001010010

Octal: 175122

Duodecimal: 31102

Hexadecimal: fa52

Square: 4106502724

Square Root: 253.144227664784

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

Numbers k such that φ(k) == 2 (mod 12), where φ is the Euler totient function (A000010). A332511

Numbers k such that σ(k)*φ(k) is squarefree. A65299

Numbers that are not squarefree and whose Euler totient function is squarefree. A49198

Number of scalene triangles, distinct up to congruence, on an n X n grid (or geoboard). A190313

Number of positive integers k <= prime(n)# so that (k mod p₁) < (k mod p₂) < ... < (k mod p_n). A325057

Triangle, T(n, k) = [x^k]( p(x, n) ), where (1/2)*(1-x)ⁿ⁺¹ * ∑_{j >= 0} ((4·j + 3)ⁿ + (4·j+1)ⁿ )*x^j, read by rows. A154647

a(n) = s(1)*t(n) + s(2)*t(n-1) + ... + s(k)*t(n+1-k), where k = floor((n+1)/2), s = (Lucas numbers), t = A023533. A24476

a(n) = s(1)*t(n) + s(2)*t(n-1) + ... + s(k)*t(n-k+1), where k = floor(n/2), s = A000032, t = A023533. A25096

Number of (n+2)X(2+2) 0..3 arrays with every 3X3 subblock row and column sum not equal to 0 1 3 6 or 7 and every 3X3 diagonal and antidiagonal sum equal to 0 1 3 6 or 7. A252151

Where records occur in A070138. A298942