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Properties of the Number 4169

Four Thousand One Hundred Sixty-Nine

Basics

Value: 4168 → 4169 → 4170

Parity: odd

Prime: No

Previous Prime: 4159

Next Prime: 4177

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 11 × 379

Divisors: 1, 11, 379, 4169

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1000001001001

Octal: 10111

Duodecimal: 24B5

Hexadecimal: 1049

Square: 17380561

Square Root: 64.56779382943171

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

Triangular array T(n,k), read by rows: coefficients of strong divisibility sequence of polynomials p(1,x) = 1, p(2,x) = 2 + 4·x, p(n,x) = u·p(n-1,x) + v·p(n-2,x) for n >= 3, where u = p(2,x), v = 1 - 2·x - x2. A367298
Let F(x) = 1 + x + 4x2 + 10x3 + ... = g.f. for A000293 (solid partitions) and expand (1-x)(1-x2)(1-x3)...*F(x) in powers of x. A2836
Integers n > 196 such that the 'Reverse and Add!' trajectory of n joins the trajectory of 196. A63049
Number of points of norm <= n in cubic lattice. A605
Positive numbers such that the digital sum base 2 and the digital sum base 10 are in a ratio of 2:10. A135110
Sums of distinct powers of 8. A33045
T(n,k)=Number of nXk 0..2 arrays with every row and column running average nondecreasing rightwards and downwards. A200534
T(n,k)=Number of nXk 0..1 arrays with no element less than a strict majority of its horizontal, vertical and antidiagonal neighbors. A231544
Number of integer partitions of n with all equal lengths of maximal runs of consecutive parts decreasing by 1 but not by 0. A384904
Number of partitions p of n such that (number of even numbers in p) <= (number of odd numbers in p). A241637