Properties of the Number -10660

Ten Thousand Six Hundred Sixty

Basics

Value: -10661 → -10660 → -10659

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 5 × 13 × 41

Divisors: 1, 2, 4, 5, 10, 13, 20, 26, 41, 52

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: Yes

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Representations

Binary: -10100110100100

Octal: -24644

Duodecimal: -6204

Hexadecimal: -29a4

Square: 113635600

Square Root: 103.24727599312246

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

Expansion of (1-x-x^N)/((1-x)(1-x²)(1-x³)...(1-x^N)) for N = 8. A60027

Tetrahedral (or triangular pyramidal) numbers: a(n) = C(n+2,3) = n*(n+1)*(n+2)/6. A292

a(n) = 1² + 3² + 5² + 7² + ... + (2·n-1)² = n*(4·n² - 1)/3. A447

Generalized Stirling numbers, [n+2,n]_2. A1701

Numbers k such that k² divides 21^k-1. A128401

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with no 2X2 subblock having x11-x00 less than x10-x01. A251065

Numbers n such that there is no square n-gonal number greater than 1. A188896

Even 10-gonal (or decagonal) numbers. A28994

T(n,k)=Number of nXk 0..1 arrays with every element equal to 1, 2, 3 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302670

Number of different shapes formed by bending a piece of wire of length n in the plane. A1997