Properties of the Number 81099

Eighty-One Thousand Ninety-Nine

Basics

Value: 81098 → 81099 → 81100

Parity: odd

Prime: No

Previous Prime: 81097

Next Prime: 81101

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 9011

Divisors: 1, 3, 9, 9011, 27033, 81099

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011110011001011

Octal: 236313

Duodecimal: 3AB23

Hexadecimal: 13ccb

Square: 6577047801

Square Root: 284.7788615750825

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

Number of integer partitions of n containing three parts (a,b,c) (repeats allowed) such that a + b = c. A variation of sum-full partitions. A363225

n+σ(n)+σ(σ(n)) is a cube. A116013

Number of 3 X n arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..1 3 X n array. A219774

Atomic numbers of the chemical elements sorted with respect to boiling point. A81099