Properties of the Number 1814

One Thousand Eight Hundred Fourteen

Basics

Value: 1813 → 1814 → 1815

Parity: even

Prime: No

Previous Prime: 1811

Next Prime: 1823

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 × 907

Divisors: 1, 2, 907, 1814

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 11100010110

Octal: 3426

Duodecimal: 1072

Hexadecimal: 716

Square: 3290596

Square Root: 42.59107887809371

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 partitions of n having positive even rank (the rank of a partition is the largest part minus the number of parts). A101708

Moore lower bound on the order of a (7,g)-cage. A198307

Number of inversion sequences of length n avoiding the consecutive patterns 101, 102, and 201. A328435

Expansion of ∏_{i in A069908} 1/(1 - xⁱ). A69910

Partial sums of A034448: sum of unitary divisors from 1 to n. A64609

Number of integer partitions of n into odd, relatively prime parts. A366843

Positions of 10 after decimal point in decimal expansion of 1/π. A134260

a(n) = (7·6ⁿ - 2)/5. A61801

Array counting nodes in rooted trees of height n in which the root and internal nodes have valency k (and the leaf nodes have valency one). A112739

T(n,k)=Number of nXk 0..3 arrays with no more than floor(nXk/2) elements equal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order. A222878