Properties of the Number 47385

Forty-Seven Thousand Three Hundred Eighty-Five

Basics

Value: 47384 → 47385 → 47386

Parity: odd

Prime: No

Previous Prime: 47381

Next Prime: 47387

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ⁶ × 5 × 13

Divisors: 1, 3, 5, 9, 13, 15, 27, 39, 45, 65

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1011100100011001

Octal: 134431

Duodecimal: 23509

Hexadecimal: b919

Square: 2245338225

Square Root: 217.68095920406083

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 that are the sum of 2 nonzero 6th powers. A3358

Sum of 6th powers of digits of n. A55015

Coefficient triangle of polynomials (falling powers) related to convolutions of A001045(n+1), n >= 0, (generalized (1,2)-Fibonacci). Companion triangle is A073399. A73400

Numbers that can be represented as j⁶ + k⁶, with 0 < j < k, in exactly one way. A88677

Square array read by antidiagonals downwards: super Patalan numbers of order 3. A248324

Triangle T(n, k, m) = t(n,m)/( t(k,m) * t(n-k,m) ) with T(n, 0, m) = T(n, n, m) = 1, where t(n, m) = ∏_j=1..n ∏_i=1..j-1 ( 1 - (m+1)*(3·i-2) ) and m = 3, read by rows. A156727

Sum of distinct nonzero sixth powers. A194769

a(n) = ∑_{k=0..floor(n/3)} (n-3·k)ⁿ. A353015

a(n) = A364491(n) * A364492(n). A364493

Odd numbers divisible by exactly 8 primes (counted with multiplicity). A46321