Properties of the Number 52147

Fifty-Two Thousand One Hundred Forty-Seven

Basics

Value: 52146 → 52147 → 52148

Parity: odd

Prime: Yes

Previous Prime: 52127

Next Prime: 52153

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 52147

Divisors: 1, 52147

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1100101110110011

Octal: 145663

Duodecimal: 26217

Hexadecimal: cbb3

Square: 2719309609

Square Root: 228.3571763707022

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

Place n equally spaced points on each side of an equilateral triangle, and join each of these points by a chord to the 2·n new points on the other two sides: sequence gives number of regions in the resulting planar graph. A366486

Numbers n such that 2·10ⁿ+11 is prime. A86865

Primes p such that p-+1, p-+3, p-+5 are not squarefree. A155145

a(n) = prime(n) + 2. A52147

Table read by antidiagonals: Place k equally spaced points on each side of a regular n-gon and join every pair of these n·k points by a chord; T(n,k) (n >= 3, k >= 0) gives the number of regions in the resulting planar graph. A367304