Properties of the Number 80823

Eighty Thousand Eight Hundred Twenty-Three

Basics

Value: 80822 → 80823 → 80824

Parity: odd

Prime: No

Previous Prime: 80819

Next Prime: 80831

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 29 × 929

Divisors: 1, 3, 29, 87, 929, 2787, 26941, 80823

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011101110110111

Octal: 235667

Duodecimal: 3A933

Hexadecimal: 13bb7

Square: 6532357329

Square Root: 284.29386205122336

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

G.f.: exp( ∑_n>=1 xⁿ * (1+x)ⁿ / (n*(1-xⁿ)) ). A227681

Number of partitions of n where there are k² - 1 kinds of parts k. A363601

a(n) = ∑_k=1..n τ(gcd(k,n)^gcd(k,n)), where τ(n) is the number of divisors of n. A344224

a(n)=n for n<=4; for n>4, a(n) is the smallest integer greater than a(n-1) that shares common factors with some (i.e., at least one) but not all of previous 4 terms. A80823