Properties of the Number 47725

Forty-Seven Thousand Seven Hundred Twenty-Five

Basics

Value: 47724 → 47725 → 47726

Parity: odd

Prime: No

Previous Prime: 47717

Next Prime: 47737

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 5 ² × 23 × 83

Divisors: 1, 5, 23, 25, 83, 115, 415, 575, 1909, 2075

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1011101001101101

Octal: 135155

Duodecimal: 23751

Hexadecimal: ba6d

Square: 2277675625

Square Root: 218.46052274953476

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

Centered tetrahedral numbers. A5894

Numbers n such that the decimal expansions of both n and n² have 2 as smallest digit and 7 as largest digit. A257123

Numbers k such that k and k² use only the digits 2, 4, 5, 6 and 7. A137094

Smallest odd number greater than any previous term such that it divides the concatenation of all the previous terms and itself; begin with 1. A228806

Sum of 14 nonzero fourth powers. A47725