Properties of the Number 47885

Forty-Seven Thousand Eight Hundred Eighty-Five

Basics

Value: 47884 → 47885 → 47886

Parity: odd

Prime: No

Previous Prime: 47881

Next Prime: 47903

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 5 × 61 × 157

Divisors: 1, 5, 61, 157, 305, 785, 9577, 47885

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 1011101100001101

Octal: 135415

Duodecimal: 23865

Hexadecimal: bb0d

Square: 2292973225

Square Root: 218.82641522448793

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

Expansion of sinh(sin(x)*x)/2. A24238

Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 22. A31610

(Number of 4 X 4 pandiagonal magic squares with distinct positive entries less than n)/384. A317252

Array a(m,n) = π(m+n) - π(m) - π(n) read by antidiagonals, where π() = A000720 (m,n >= 0). A47885

a(0) = 0; for n > 0, a(n) is the number of distinct digit strings that occur at least twice (including any overlapping occurrences) in the concatenation of all previous terms. A330015