Properties of the Number 51996

Fifty-One Thousand Nine Hundred Ninety-Six

Basics

Value: 51995 → 51996 → 51997

Parity: even

Prime: No

Previous Prime: 51991

Next Prime: 52009

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 7 × 619

Divisors: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1100101100011100

Octal: 145434

Duodecimal: 26110

Hexadecimal: cb1c

Square: 2703584016

Square Root: 228.02631427096304

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

Start with 83; if even, divide by 2; if odd, add next three primes: Orbit of 83 under iterations of A174221, the "PrimeLatz" map. A293979

p-INVERT of (1,1,0,0,0,0,...), where p(S) = (1 - S)(1 - S²). A291408

a(n) = 144·n² + 12. A158546

Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 38. A31716

Increasingly larger values in A110412. A111632

Consider real quadratic fields of ERD-type with class groups of exponent 2 and discriminants of the form D = r²*k²+k, k odd; sequence gives values of k. A51996

Number of nonequivalent ways to place 7 points on an n X n square grid so that no more than 2 points are on a vertical or horizontal straight line. A279451