Properties of the Number 5169

Five Thousand One Hundred Sixty-Nine

Basics

Value: 5168 → 5169 → 5170

Parity: odd

Prime: No

Previous Prime: 5167

Next Prime: 5171

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 1723

Divisors: 1, 3, 1723, 5169

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1010000110001

Octal: 12061

Duodecimal: 2BA9

Hexadecimal: 1431

Square: 26718561

Square Root: 71.89575787207477

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

Except a(0)=1 and a(4)=0, number of integer partitions of n with no 1's and at least two parts. A379720

Number of partitions of n into >= 2 parts and with minimum part >= 2. A83751

a(n+2) = a(n+1) + a(n) + (-1)ⁿ, with a(1) = a(2) = 1. A66983

Number of achiral polyominoes composed of n tetrahedral cells of the hyperbolic regular tiling with Schläfli symbol {3,3,oo}. A371351

a(1) = 8; a(n) is smallest number >= a(n-1) such that the juxtaposition a(1)a(2)...a(n) is a prime. A46258

Engel expansion whose sum has the concatenation of its terms as decimal part. Case a(1) = 10. A305668

Concentric 19-gonal numbers. A195048

Number of ON cells at n-th stage in simple 2-dimensional cellular automaton (see Comments lines for definition). A256530

Sum of divisors of twice square numbers. A65765

a(n) = a(n-1) + a(n-2) - 1. A1588