Properties of the Number 80831

Eighty Thousand Eight Hundred Thirty-One

Basics

Value: 80830 → 80831 → 80832

Parity: odd

Prime: Yes

Previous Prime: 80819

Next Prime: 80833

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 80831

Divisors: 1, 80831

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10011101110111111

Octal: 235677

Duodecimal: 3A93B

Hexadecimal: 13bbf

Square: 6533650561

Square Root: 284.30793165158093

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

Lower twin primes with lower twin prime index. A88460

Prime intersections in a square spiral with positive integers: primes p such that there are four primes among eight nearest neighbors of p. A215470

a(n) = gpf(1 + ∏_k=0..4 prime(n+k)), where gpf is greatest prime factor and prime(i) is the i-th prime. A261210

Numbers k such that 5^k - 22 is prime. A378868

Integers in Ulam's spiral for which the numbers around them form a square whose four corners are all prime numbers. A383596

Expansion of e.g.f. exp(tan(exp(x)-1)). A80831