Properties of the Number 9943

Nine Thousand Nine Hundred Forty-Three

Basics

Value: 9942 → 9943 → 9944

Parity: odd

Prime: No

Previous Prime: 9941

Next Prime: 9949

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 61 × 163

Divisors: 1, 61, 163, 9943

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011011010111

Octal: 23327

Duodecimal: 5907

Hexadecimal: 26d7

Square: 98863249

Square Root: 99.71459271340379

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

Expansion of (1 + x)/(1 - x² - 2·x⁵). A237714

Semiprimes whose factors are decimal palindromes when concatenated, omitting multiples of primes less than 11. A144719

Integers of the form 4n+3 for which ∑_i=1..u J(i,4n+3) obtains value zero exactly 7 times, when u ranges from 1 to (4n+3). Here J(i,k) is the Jacobi symbol. A166057

Trajectory of 80 under the map n-> A006369(n). A223084

7ⁿ mod 10000. A216130

Number of terms of A072873 less than or equal to 10ⁿ. A267757

Partial sums of A298033. A298034

Number of partitions of n into parts not of the form 23k, 23k+10 or 23k-10. Also number of partitions with at most 9 parts of size 1 and differences between parts at distance 10 are greater than 1. A35998

Numbers n such that 103·2ⁿ-1 is prime. A50577

a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 61. A93261