Properties of the Number 80803

Eighty Thousand Eight Hundred Three

Basics

Value: 80802 → 80803 → 80804

Parity: odd

Prime: Yes

Previous Prime: 80789

Next Prime: 80809

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 80803

Divisors: 1, 80803

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 10011101110100011

Octal: 235643

Duodecimal: 3A917

Hexadecimal: 13ba3

Square: 6529124809

Square Root: 284.2586850036424

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 of the form 2·n²+1. A90698

Numerators of upper primes-only best approximates (POBAs) to the golden ratio, φ (A001622); see Comments. A265798

Numerators of primes-only best approximates (POBAs) to the golden ratio, φ; see Comments. A265800

Greater prime factor of successively better golden semiprimes. A165572

Primes having only {0, 3, 8} as digits. A261434

Fibonacci sequence beginning 7, 15. A22389

Denominators of primes-only best approximates (POBAs) to 1/(golden ratio) = 1/φ; see Comments. A265807

Primes that remain prime through 3 iterations of function f(x) = 8x + 9. A23295

Primes p that have at least four primitive roots that are not primitive roots mod p². A60520

Primes formed by concatenating k, k and 3 for k >= 1. A210512