Properties of the Number 444

Four Hundred Forty-Four

Basics

Value: 443 → 444 → 445

Parity: even

Prime: No

Previous Prime: 443

Next Prime: 449

Digit Sum: 12

Digital Root: 3

Palindrome: Yes

Factorization: 2 ² × 3 × 37

Divisors: 1, 2, 3, 4, 6, 12, 37, 74, 111, 148

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110111100

Octal: 674

Duodecimal: 310

Hexadecimal: 1bc

Square: 197136

Square Root: 21.071307505705477

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

Palindromes in base 10. A2113

Refactorable numbers: number of divisors of k divides k. Also known as τ numbers. A33950

Repdigit numbers, or numbers whose digits are all equal. A10785

Number of regions in regular n-gon with all diagonals drawn. A7678

Expansion of 1/((1-x)⁴*(1+x)). A2623

A number n is included if it satisfies: m divides n for all m's where the m-th prime divides n. A120383

a(n) = 8·n + 4. A17113

Second-order Eulerian triangle T(n,k), 1 <= k <= n. A8517

Multiples of 12. A8594

a(n) = n·prime(n). A33286