Properties of the Number 90823

Ninety Thousand Eight Hundred Twenty-Three

Basics

Value: 90822 → 90823 → 90824

Parity: odd

Prime: Yes

Previous Prime: 90821

Next Prime: 90833

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 90823

Divisors: 1, 90823

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110001011000111

Octal: 261307

Duodecimal: 44687

Hexadecimal: 162c7

Square: 8248817329

Square Root: 301.36854514033143

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 3·m² - 5. A201717

Primes that are sums of a sequence of consecutive terms of A006094. A340537

a(n) = (3/2)*(1/p)*(2·p+1)*(3^p+1)*B(2·p) where p = prime(n) and where B(k) denotes the k-th Bernoulli number. A90823

Record number of steps under iterations of "map n to n - (largest prime <= n)" (A064722) until reaching the limiting value 0 or 1. Also, places where A121561 reaches a new record. A135543

Smallest prime followed by at least 2ⁿ nonprimes. A268140