Properties of the Number 91801

Ninety-One Thousand Eight Hundred One

Basics

Value: 91800 → 91801 → 91802

Parity: odd

Prime: Yes

Previous Prime: 91781

Next Prime: 91807

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 91801

Divisors: 1, 91801

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110011010011001

Octal: 263231

Duodecimal: 45161

Hexadecimal: 16699

Square: 8427423601

Square Root: 302.9867983922732

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

The first of three consecutive primes the sum of which is equal to the sum of three consecutive triangular numbers. A298169

Lexicographically earliest sequence of numbers whose partial products are all Fermat pseudoprimes to base 2 (A001567). A374027

Number of sets of permutations with a combined total of n moved points spanning an initial interval of positive integers. A362768

Primes of the form 9n² - 8. A201961

Prime(n) such that 2·n² - prime(n) is square. A225806

Square array read by antidiagonals upwards: T(n,k) is the smallest k-digit prime p such that nextprime(p) is a substring of pⁿ; or -1 if no such prime exists, n>1, k>0. A383607

Largest n-digit multiple of the n-th prime. A91801