Properties of the Number -3726

Seven Hundred Twenty-Six

Basics

Value: -3727 → -3726 → -3725

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ⁴ × 23

Divisors: 1, 2, 3, 6, 9, 18, 23, 27, 46, 54

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: -111010001110

Octal: -7216

Duodecimal: -21A6

Hexadecimal: -e8e

Square: 13883076

Square Root: 61.04096984812741

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

G.f. satisfies: [xⁿ] A(x)ⁿ⁺¹ = [xⁿ] A(x)ⁿ for n>1 with A(0)=A'(0)=1. A158883

Rectangular table where the g.f. of row n satisfies: R(n,x) = 1 + x·R(n,x)ⁿ * [d/dx x/R(n,x)] for n>=0, as read by antidiagonals. A208896

Coordination sequence T1 for Zeolite Code ABW and ATN. A8000

Number of trimmed trees with n nodes. A2988

a(n) = n² + (n+1)² + (n+2)² + (n+3)². A27575

3 times 10-gonal (or decagonal) numbers: a(n) = 3·n*(4·n-3). A152767

T(n,k) = Number of n X k 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 1 and 1 0 1 vertically. A207024

Expansion of ∏_{r not a perfect power} 1/(1 - x^r). A305631

The third of the three sequences associated with the polynomial x³ - 2. A52103

a(n) = ∑_k=1..n floor(n²/k²). A153818