Properties of the Number 47125

Forty-Seven Thousand One Hundred Twenty-Five

Basics

Value: 47124 → 47125 → 47126

Parity: odd

Prime: No

Previous Prime: 47123

Next Prime: 47129

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 ³ × 13 × 29

Divisors: 1, 5, 13, 25, 29, 65, 125, 145, 325, 377

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1011100000010101

Octal: 134025

Duodecimal: 23331

Hexadecimal: b815

Square: 2220765625

Square Root: 217.0829334609241

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 n that are the hypotenuse of exactly 31 distinct integer-sided right triangles, i.e., n² can be written as a sum of two squares in 31 ways. A97244

a(n) = n*(2·n² - 2·n + 1). A59722

Number of diagonal dissections of an n-gon into 3 regions. A33275

a(n) = n⁴/2 - n³ + 3·n²/2 - n + 1 = (n² + 1)*(n² - 2·n + 2)/2. A58919

RMS values of the RMS numbers: a(n) is the root mean square of the divisors of A140480(n). A141812

Numbers that are multiple-digit narcissistic numbers in exactly four bases. A256363

Number of ordered partitions of an n-set without blocks of size 5. A343788

Numbers that are the sum of 2 nonzero squares in 7 or more ways. A25298

Numbers that are the sum of 2 nonzero squares in 8 or more ways. A25299

Numbers that are the sum of 2 distinct nonzero squares in 7 or more ways. A25317