Properties of the Number 16890

Sixteen Thousand Eight Hundred Ninety

Basics

Value: 16889 → 16890 → 16891

Parity: even

Prime: No

Previous Prime: 16889

Next Prime: 16901

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 5 × 563

Divisors: 1, 2, 3, 5, 6, 10, 15, 30, 563, 1126

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100000111111010

Octal: 40772

Duodecimal: 9936

Hexadecimal: 41fa

Square: 285272100

Square Root: 129.96153277027784

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 maximal subsets of {1..n} containing n such that every ordered pair of distinct elements has a different difference. A325880

Number of partitions of n having no parts with multiplicity 4. A184639

Digitally balanced numbers in base 4: equal numbers of 0's, 1's, ... 3's. A49355

T(n,k)=Number of nXk 0..4 arrays with each element·equal to the number of its horizontal and vertical neighbors equal to 2,0,1,1,1 for x=0,1,2,3,4. A197280

a(n) = 100·n² - 10. A158490

Smallest m such that A065623(m) = n. A65624

a(n) = 169·n² - n. A157998

a(n) = 676·n² - 2·n. A158392

Number of partitions of n such that the number of parts and the largest part and the smallest part are pairwise not coprime. A200476

Expansion of e.g.f. sin(tanh(x) + log(x+1)). A13118