Properties of the Number 99021

Ninety-Nine Thousand Twenty-One

Basics

Value: 99020 → 99021 → 99022

Parity: odd

Prime: No

Previous Prime: 99017

Next Prime: 99023

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 13 × 2539

Divisors: 1, 3, 13, 39, 2539, 7617, 33007, 99021

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 11000001011001101

Octal: 301315

Duodecimal: 49379

Hexadecimal: 182cd

Square: 9805158441

Square Root: 314.6760238721724

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

4·a(n) is the maximum possible determinant of a 3 X 3 matrix whose entries are 9 consecutive primes starting with prime(n). A340923

a(n) = ∑_k=0..n binomial(2·k, k) * q(k), where q(k) is the number of partitions into distinct parts (A000009). A356270

Numbers k such that the first 9 digits of the k-th Lucas number are 1-9 pandigital. A216489

Main diagonal of array in A099020. A99021