Properties of the Number 55897

Fifty-Five Thousand Eight Hundred Ninety-Seven

Basics

Value: 55896 → 55897 → 55898

Parity: odd

Prime: Yes

Previous Prime: 55889

Next Prime: 55901

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 55897

Divisors: 1, 55897

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1101101001011001

Octal: 155131

Duodecimal: 28421

Hexadecimal: da59

Square: 3124474609

Square Root: 236.4254639415983

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

Primes of form 3·p*(p-1)+1 with p also a prime. A165683

Standard Jacobi primes. A275878

Triangle read by rows: T(n,k) is the number of perfect matchings on {1, 2, ..., 2n} with k disjoint strings of adjacent short pairs. A334059

Primes of the form (p²+p+1)/3 where p is prime. A338299

Primes p == 1 (mod 3) such that ((p-1)/3)! == 1 (mod p). A152217

Number of (n+1)X(3+1) arrays of permutations of 0..n·4+3 with each element having directed index change 1,0 0,-1 1,2 or -1,1. A264578

Primes p such that q1=6·p-1 and q2=6·p+1 are also primes (twin primes) and q1 is a Sophie Germain prime (i.e., 2·q1+1 is prime). A358381

Lesser p of a sexy prime pair such that (p-3)/2 is also the lesser prime of a sexy prime pair. A358571

Primes arising in A048969. A48977

Fourth term of strong prime sextets: p(m-2)-p(m-3) > p(m-1)-p(m-2) > p(m)-p(m-1) > p(m+1)-p(m) > p(m+2)-p(m+1). A54816