Properties of the Number 9941

Nine Thousand Nine Hundred Forty-One

Basics

Value: 9940 → 9941 → 9942

Parity: odd

Prime: Yes

Previous Prime: 9931

Next Prime: 9949

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 9941

Divisors: 1, 9941

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011011010101

Octal: 23325

Duodecimal: 5905

Hexadecimal: 26d5

Square: 98823481

Square Root: 99.70456358662827

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

Mersenne exponents: primes p such that 2^p - 1 is prime. Then 2^p - 1 is called a Mersenne prime. A43

Primes of the form j² + (j+1)². A27862

a(n) = 8·n² + 4·n + 1. A102083

Primes of the form i·prime(i) + (i+1)*prime(i+1). A119487

Primes having only {1, 4, 9} as digits. A260271

Primes p whose period of reciprocal equals (p-1)/5. A56210

a(n) = n*(n-th prime) + (n+1)*((n+1)-th prime). A152117

Decimal expansion of 2⁹⁹⁴¹ - 1, the 22nd Mersenne prime A000668(22). A275979

Primes p for which exactly four bases b with 1 < b < p exist such that p is a base b Wieferich prime. A255207

Primes p (A000043) such that 2^p-1 is prime (A000668) and congruent to 31 mod 6!. A145041