Properties of the Number 51993

Fifty-One Thousand Nine Hundred Ninety-Three

Basics

Value: 51992 → 51993 → 51994

Parity: odd

Prime: No

Previous Prime: 51991

Next Prime: 52009

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 53 × 109

Divisors: 1, 3, 9, 53, 109, 159, 327, 477, 981, 5777

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100101100011001

Octal: 145431

Duodecimal: 26109

Hexadecimal: cb19

Square: 2703272049

Square Root: 228.01973598791838

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

Total number of left-to-right minima in all compositions of n. A336484

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 r. A51993

Number of arrays of -4..4 integers x(1..n) with every x(i) in a subsequence of length 1, 2 or 3 with sum zero. A193698