Properties of the Number 1944

One Thousand Nine Hundred Forty-Four

Basics

Value: 1943 → 1944 → 1945

Parity: even

Prime: No

Previous Prime: 1933

Next Prime: 1949

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ³ × 3 ⁵

Divisors: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11110011000

Octal: 3630

Duodecimal: 1160

Hexadecimal: 798

Square: 3779136

Square Root: 44.090815370097204

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: Yes

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

3-smooth numbers: numbers of the form 2ⁱ*3^j with i, j >= 0. A3586

Powerful numbers (A001694) that are not prime powers (A000961). A286708

3-full (or cube-full, or cubefull) numbers: if a prime p divides n then so does p³. A36966

Triple factorial numbers a(n) = n!!!, defined by a(n) = n·a(n-3), a(0) = a(1) = 1, a(2) = 2. Sometimes written n!3. A7661

Numbers k of the form 2ⁱ*3^j, where i and j >= 1. A33845

Achilles numbers - powerful but imperfect: if n = Product(p_i^e_i) then all e_i > 1 (i.e., powerful), but the highest common factor of the e_i is 1, i.e., not a perfect power. A52486

a(n) = 6·n². A33581

Numbers that are divisible by exactly 8 primes counting multiplicity. A46310

Number of integer partitions of n without all distinct multiplicities. A336866

Coordination sequence for "pcu-i" 3D uniform tiling. A299277