Properties of the Number 1859

One Thousand Eight Hundred Fifty-Nine

Basics

Value: 1858 → 1859 → 1860

Parity: odd

Prime: No

Previous Prime: 1847

Next Prime: 1861

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 11 × 13 ²

Divisors: 1, 11, 13, 143, 169, 1859

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11101000011

Octal: 3503

Duodecimal: 10AB

Hexadecimal: 743

Square: 3455881

Square Root: 43.116122274620196

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 integer partitions of n with distinct differences between successive parts. A325325

Odd numbers not of form p + 2^k (de Polignac numbers). A6285

a(n) = 2·n² + 2·n - 1. A142463

Triangle T(n,m) = ∑_k=0..m Catalan(n-k)*Catalan(k). A28364

Number of integer partitions of n whose length can be written as a nonnegative linear combination of the distinct parts. A367218

Sum of adjacent Catalan numbers. A5807

Number of integer partitions of n whose length and maximum both divide n. A326843

Numbers of the form (11ⁱ)*(13^j). A108090

Dispersion of A047204, (numbers >1 and congruent to 3 or 4 mod 5), by antidiagonals. A191731

Number of free poly-[3.6.3.6]-tiles (holes allowed) with n cells (division into rhombi is significant). A197459