Properties of the Number 99440

Ninety-Nine Thousand Four Hundred Forty

Basics

Value: 99439 → 99440 → 99441

Parity: even

Prime: No

Previous Prime: 99439

Next Prime: 99469

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ⁴ × 5 × 11 × 113

Divisors: 1, 2, 4, 5, 8, 10, 11, 16, 20, 22

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 11000010001110000

Octal: 302160

Duodecimal: 49668

Hexadecimal: 18470

Square: 9888313600

Square Root: 315.341085176036

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 that are the sum of 8 positive 9th powers. A3397

Number of length-5 0..n arrays with no repeated value differing from the previous repeated value by plus or minus one modulo n+1. A269691

T(n,k)=Number of length-n 0..k arrays with no repeated value differing from the previous repeated value by plus or minus one modulo k+1. A269690

Primes of the form A000295(k) = 2^k - k - 1. A99440

Irregular table read by rows: T(n,k) is the number of k-gons, k>=2, among all distinct circles that can be constructed from a point on the origin and n equally spaced points on each of the +x,-x,+y,-y coordinates axes when each pair of points is connected by a circle and where the points lie at the ends of the circles' diameter. A362236