Properties of the Number 47985

Forty-Seven Thousand Nine Hundred Eighty-Five

Basics

Value: 47984 → 47985 → 47986

Parity: odd

Prime: No

Previous Prime: 47981

Next Prime: 48017

Digit Sum: 33

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 × 7 × 457

Divisors: 1, 3, 5, 7, 15, 21, 35, 105, 457, 1371

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1011101101110001

Octal: 135561

Duodecimal: 23929

Hexadecimal: bb71

Square: 2302560225

Square Root: 219.05478766737787

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 partitions of n in which no parts are multiples of 6. A219601

Least number·such that xⁿ has n digits equal to k. Case k = 6. A285453

Number of maximal irredundant sets in the n-wheel graph. A291063

Numbers k such that 99·2^k+1 is prime. A32399

a(n) = smallest prime p such that p is the home prime (cf. A037274) of exactly n natural numbers. A118756

Integers n such that A047988(n)=2. A47985