Properties of the Number 814

Eight Hundred Fourteen

Basics

Value: 813 → 814 → 815

Parity: even

Prime: No

Previous Prime: 811

Next Prime: 821

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 × 11 × 37

Divisors: 1, 2, 11, 22, 37, 74, 407, 814

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100101110

Octal: 1456

Duodecimal: 57A

Hexadecimal: 32e

Square: 662596

Square Root: 28.53068523537421

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

Triangle read by rows: T(n,k) is the number of compositions of n into nonzero parts with k parts directly followed by a different part, n>=0, 0<=k<=A004523(n-1). A238279

Number of unimodular 2 X 2 matrices having all terms in {0,1,...,n}. A210000

a(n) = n² + n + 2. A14206

Number of partitions of n into distinct nonprime parts. A96258

a(n) = n*(n + 7)/2. A55999

Triangle read by rows: T(n,k) are the coefficients of Charlier polynomials: A046716 transposed, for 0 <= k <= n. A94816

Number of compositions of n with equal differences up to sign. A325557

Number of fixed hexagonal polyominoes with n cells. A1207

Numbers n such that Bernoulli number B_n has denominator 138. A271635

Triangle P, read by rows, where column k of P² equals column 0 of P^2k+2 such that column 0 of P² equals column 0 of P shift one place left, with P(0,0)=1. A135880