Properties of the Number 16441

Sixteen Thousand Four Hundred Forty-One

Basics

Value: 16440 → 16441 → 16442

Parity: odd

Prime: No

Previous Prime: 16433

Next Prime: 16447

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 41 × 401

Divisors: 1, 41, 401, 16441

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100000000111001

Octal: 40071

Duodecimal: 9621

Hexadecimal: 4039

Square: 270306481

Square Root: 128.22246293064254

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

Composite and every divisor (except 1) contains the digit 4. A62670

Number of cyclic subgroups of the group C_n x C_n x C_n x C_n, where C_n is the cyclic group of order n. A280184

Integers of the form (x⁴)/24 + (x³)/6 + (x²)/2 + x + 1 with x > 0. A127877

Numbers that cannot be written as a difference of 11-smooth numbers. A326319

Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-2)², where a(0) = 1, a(1) = 2, b(0) = 3, and (a(n)) and (b(n)) are increasing complementary sequences. A296257

Numbers m such that m = p² + k², with p > 0, where p = A007954(m) = the product of digits of m. A334557

Decimal part of n-th root of a(n) starts with digit 3. A34080

Denominators of continued fraction convergents to sqrt(607). A42165

a(n) = 2·prime(n)² - prime(n+1)². A64051

a(n) = concatenation of (n times each digit of n). A111704