Properties of the Number 8243

Eight Thousand Two Hundred Forty-Three

Basics

Value: 8242 → 8243 → 8244

Parity: odd

Prime: Yes

Previous Prime: 8237

Next Prime: 8263

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 8243

Divisors: 1, 8243

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 10000000110011

Octal: 20063

Duodecimal: 492B

Hexadecimal: 2033

Square: 67947049

Square Root: 90.79096871385391

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

Primes with first digit 8. A45714

Primes congruent to 2 mod 41. A142199

Number of partitions of n such that (greatest part) - (least part) = number of parts. A237832

Lower prime of a difference of 20 between consecutive primes. A31938

The 180-degree spoke (or ray) of a hexagonal spiral of Ulam. A244806

Numbers that are the sum of eight fourth powers in six or more ways. A345581

Numbers that are the sum of eight fourth powers in seven or more ways. A345582

Numbers that are the sum of eight fourth powers in exactly seven ways. A345839

Discriminants of imaginary quadratic fields with class number 21 (negated). A46018

Numbers that are the sum of five third powers in exactly eight ways. A345184