Properties of the Number 47523

Forty-Seven Thousand Five Hundred Twenty-Three

Basics

Value: 47522 → 47523 → 47524

Parity: odd

Prime: No

Previous Prime: 47521

Next Prime: 47527

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 7 × 31 × 73

Divisors: 1, 3, 7, 21, 31, 73, 93, 217, 219, 511

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 1011100110100011

Octal: 134643

Duodecimal: 23603

Hexadecimal: b9a3

Square: 2258435529

Square Root: 217.99770640995285

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

Squarefree integers m > 1 such that if prime p divides m, then s_p(m) >= p and s_p(m) == 3 (mod p-1), where s_p(m) is the sum of the base p digits of m. A324405

Numbers k that have no zero digits and such that both k+1 and (product of digits of k) + 1 are squares. A81990

Simple continued fraction expansion of product {k >= 0} (1 - 2*(N - sqrt(N²-1))^4·k+3)/(1 - 2*(N - sqrt(N²-1))^4·k+1) at N = 5. A221195

Numbers k such that the two perfect powers immediately adjacent to k² both have exponents greater than 2. A340643

Numbers n such that n+1 and φ(n)+1 are both perfect squares. A89952

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, -1), (0, 0, 1), (0, 1, 0), (1, 0, 0)}. A151029

Number of binary strings of length n with no substrings equal to 0001 0010 or 1010. A164449

Indices of vertex points of the upper convex hull of the squarefree number graph. A339806

Numbers that are congruent to {0, 1, 7} mod 8. A47523