Properties of the Number 80022

Eighty Thousand Twenty-Two

Basics

Value: 80021 → 80022 → 80023

Parity: even

Prime: No

Previous Prime: 80021

Next Prime: 80039

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 13337

Divisors: 1, 2, 3, 6, 13337, 26674, 40011, 80022

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10011100010010110

Octal: 234226

Duodecimal: 3A386

Hexadecimal: 13896

Square: 6403520484

Square Root: 282.8816006742043

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

Numbers k such that 453·2^k+1 is prime. A323196

Practical numbers: positive integers m such that every k <= σ(m) is a sum of distinct divisors of m. Also called panarithmic numbers. A5153

a(n) = a(n-1)² + 1 for n >= 1, with a(0) = 0. A3095

Number of partitions of n into parts divisible by 2 or 5. A147783

Primes p such that no practical number (A005153) exists between p and its successor. A273773

The number of practical numbers not exceeding 10ⁿ. A322257

Numbers n such that log_pi(n) is closer to an integer than is log_pi(m) for any m with 2<=m<n. A80022

Decimal expansion of the constant factor in the asymptotic for practical numbers (A005153). A327824