Properties of the Number 55969

Fifty-Five Thousand Nine Hundred Sixty-Nine

Basics

Value: 55968 → 55969 → 55970

Parity: odd

Prime: No

Previous Prime: 55967

Next Prime: 55987

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 97 × 577

Divisors: 1, 97, 577, 55969

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101101010100001

Octal: 155241

Duodecimal: 28481

Hexadecimal: daa1

Square: 3132528961

Square Root: 236.57768280207665

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

Strong pseudoprimes to base 3. A20229

Euler pseudoprimes to base 3: composite integers such that abs(3^{(n - 1}/2)) == 1 mod n. A262051

Base-3 Euler-Jacobi pseudoprimes. A48950

NSW pseudoprimes: odd composite numbers k such that A002315((k-1)/2) == 1 (mod k). A330276

Composite numbers k == 1, 11 (mod 12) such that 3^(k-1/2) == 1 (mod k). A375917

Strong pseudoprimes to base 8. A20234

Denominator of fraction equal to the continued fraction [ 0, 2, 4, ...2n ]. A36243

Intersection of A099011 and A327651. A327652

Overpseudoprimes to base 3. A141350

Super pseudoprimes (or superpseudoprimes) to base 3: Fermat pseudoprimes to base 3 all of whose divisors that are larger than 1 are either primes or Fermat pseudoprimes to base 3. A328662