Properties of the Number 4069

Four Thousand Sixty-Nine

Basics

Value: 4068 → 4069 → 4070

Parity: odd

Prime: No

Previous Prime: 4057

Next Prime: 4073

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 13 × 313

Divisors: 1, 13, 313, 4069

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111111100101

Octal: 7745

Duodecimal: 2431

Hexadecimal: fe5

Square: 16556761

Square Root: 63.788713735268246

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

a(n) = n*(2·n² - 2·n + 1). A59722

T(n,k)=Number of lower triangles of an (n+2k-2)X(n+2k-2) 0..k array with new values introduced in row major order 0..k and no element unequal to more than one horizontal or vertical neighbor. A194778

Numbers n such that p(8n) is prime, where p(n) is the number of partitions of n. A114168

a(n) = 3·n² - n - 1. A144390

Number of paraffins. A5997

a(n) = ceiling(n/2)*ceiling(n²/2). A131474

a(n) = 2·a(n-1) + 11·a(n-2) for n > 1, a(0) = a(1) = 1. A90042

Monotonic ordering of nonnegative differences 2ⁱ - 3^j, for 40 >= i >= 0, j >= 0. A192110

Total number of ON states after n generations of a cellular automaton on the square grid. A256250

Number of integer partitions of n whose odd parts are relatively prime. A366850