Properties of the Number 47475

Forty-Seven Thousand Four Hundred Seventy-Five

Basics

Value: 47474 → 47475 → 47476

Parity: odd

Prime: No

Previous Prime: 47459

Next Prime: 47491

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 5 ² × 211

Divisors: 1, 3, 5, 9, 15, 25, 45, 75, 211, 225

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1011100101110011

Octal: 134563

Duodecimal: 23583

Hexadecimal: b973

Square: 2253875625

Square Root: 217.88758569500925

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

Matrix inverse of A008459 (squares of entries of Pascal's triangle). A55133

Numbers k such that k² is composed of three 1-digit-overlapping subsquares. A48426

5-digit terms in the continued fraction for π. A48960

Number of (1,1) steps starting at level zero in all peakless Motzkin paths of length n+3. A89737

Triangle read by rows: T(n,k) (0 <= k <= ceiling(n/2)-2) is the number of (1,1) steps starting at level k in all peakless Motzkin paths of length n (can be easily translated into RNA secondary structure terminology). A110238

a(n) = n² - n³ + n⁴. A309372

Partial sums of A100119. Sum of first n of the n-th centered n-gonal numbers. A130218

Numbers that are congruent to {1, 2, 3} mod 8. A47475

Number of n X 5 binary arrays with all 1s connected, and all corners 1. A163049