Properties of the Number 51995

Fifty-One Thousand Nine Hundred Ninety-Five

Basics

Value: 51994 → 51995 → 51996

Parity: odd

Prime: No

Previous Prime: 51991

Next Prime: 52009

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 5 × 10399

Divisors: 1, 5, 10399, 51995

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100101100011011

Octal: 145433

Duodecimal: 2610B

Hexadecimal: cb1b

Square: 2703480025

Square Root: 228.02412153103452

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

Absolute discriminants of complex quadratic fields with 3-class group of type (3,3) and 3-principalization type (2241). A247689

a(n) = a(n-1) + a(n-2) - [a(n-3)/4] - [a(n-4)/2] - [a(n-5)/4]. A173564

Consecutive internal states of the linear congruential pseudo-random number generator (4096·s + 150889) mod 714025 when started at 1. A385465

Multiplicity of highest weight (or singular) vectors associated with character chi₃₂ of Monster module. A34420

Consider real quadratic fields of ERD-type with class groups of exponent 2 and discriminants of the form D = r²*k²+4k, k odd; sequence gives values of r. A51995

a(n) is the smallest k such that σ(σ(k)) = σ(σ(k) - k) + n·k, or 0 if no such k exists. A292413