Properties of the Number 40328

Forty Thousand Three Hundred Twenty-Eight

Basics

Value: 40327 → 40328 → 40329

Parity: even

Prime: No

Previous Prime: 40289

Next Prime: 40343

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ³ × 71 ²

Divisors: 1, 2, 4, 8, 71, 142, 284, 568, 5041, 10082

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001110110001000

Octal: 116610

Duodecimal: 1B408

Hexadecimal: 9d88

Square: 1626347584

Square Root: 200.8183258569795

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

a(n) = n! + n. A5095

Sum of all squarefree semiprimes with greater prime factor prime(n). A339194

Sum of numerator and denominator in a rational approximation j/k of q = log(2)/log(3), such that q - j/k is a new minimum, i.e., q is approximated from below. A355514

Sum of numerator and denominator in the convergents of the approximation of log(2)/log(3) by a continued fraction. A355512

Sum of numerator and denominator in a rational approximation j/k of q = log(2)/log(3), such that abs(j/k - q) is a new minimum. A355513

Powerful(1) numbers (A001694) that are sums of distinct factorials. A115645

Numbers k such that σ(k) + τ(k) + φ(k) is a prime, where σ(k) = A000203(k), τ(k) = A000005(k) and φ(k) = A000010(k). A229265

Triangle T(n,k) = binomial(n, k)*(k! + (n-k)!), read by rows. A155162

G.f. A(x) satisfies: A( A(x)⁴ - A(x)⁵ ) = x·A(x)³. A380058

Numbers k such that k*(prime(k) - 1) is a square. A73630