Properties of the Number -1726

Seven Hundred Twenty-Six

Basics

Value: -1727 → -1726 → -1725

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 × 863

Divisors: 1, 2, 863, 1726

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -11010111110

Octal: -3276

Duodecimal: -BBA

Hexadecimal: -6be

Square: 2979076

Square Root: 41.54515615568198

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

Inverse binomial transform of A014217. A142585

Expansion of ∏_k>=1 1/(1 - (x*(1 - x))^k). A307500

a(n) = a(n-1) + a(n-2) - 2^n-1 with a(0)=a(2)=0, a(1)=-a(3)=1, a(4)=-5. A227200

a(n) = 4·a(n-1) - 5·a(n-2). A102486

Numerator of Hermite(n, 7/31). A160305

Number of partitions of n into distinct and relatively prime parts. A78374

Indices in A146326 where records occur. A146345

Expansion of (1/(1-x²))*∏_m>=0 1/(1-x^2m+1). A38348

Numbers k such that p(k), p(k)+6, p(k)+12, p(k)+18 are consecutive primes, where p(k) denotes k-th prime. A90832

Zorach additive triangle, read by rows. A35312