Properties of the Number 17944

Seventeen Thousand Nine Hundred Forty-Four

Basics

Value: 17943 → 17944 → 17945

Parity: even

Prime: No

Previous Prime: 17939

Next Prime: 17957

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ³ × 2243

Divisors: 1, 2, 4, 8, 2243, 4486, 8972, 17944

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 100011000011000

Octal: 43030

Duodecimal: A474

Hexadecimal: 4618

Square: 321987136

Square Root: 133.9552163971228

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

Number of non-self-conjugate partitions of n. A330644

Numbers k such that k² is a palindrome when written in base 17. A118651

Fibonacci sequence beginning 2, 10. A22367

Let (u1,u2) be successive untouchable numbers such that φ(u1) = φ(u2); sequence gives values of u2. A48190

Number of compositions of n with the multiplicity of the first part odd. A331606

Denominators of continued fraction convergents to sqrt(389). A41739

Let S be a string of n 2's and 3's, with curling number k, which means S = XY^k where k is maximized; a(n) = number of S for which X must be taken to be the empty string. A216951

a(n) has exactly (a(n) - n) / 2 partitions with exactly (a(n) - n) / 2 prime parts. A299732

Absolute discriminants of imaginary quadratic number fields with elementary bicyclic 5-class group (5,5). A359871

Numbers k such that 223·2^k+1 is prime. A32488