Properties of the Number -1826

Eight Hundred Twenty-Six

Basics

Value: -1827 → -1826 → -1825

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 11 × 83

Divisors: 1, 2, 11, 22, 83, 166, 913, 1826

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11100100010

Octal: -3442

Duodecimal: -1082

Hexadecimal: -722

Square: 3334276

Square Root: 42.731721238442994

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

a(n) = ∑_k=1..n μ(k)*k⁴. A336278

Matrix logarithm of triangle A113287. A113290

Riordan array (1/(1+2·x), x*(1+x)/(1+2·x)²). A123876

First spoke of a hexagonal spiral. A56105

a(n) = least k >= 1 such that the remainder when 6^k is divided by k is n. A127816

a(1) = 1; thereafter a(n+1) = a(n) + product of nonzero digits of a(n). A63108

Sum of third powers of four consecutive primes. A133525

10-gonal (or decagonal) pyramidal numbers: a(n) = n*(n + 1)*(8·n - 5)/6. A7585

Number of distinct values taken by 5⁵^...⁵ (with n 5's and parentheses inserted in all possible ways). A145545

Numbers m having the same sum of divisors as m+20 has. A181647