Properties of the Number -7953

Nine Hundred Fifty-Three

Basics

Value: -7954 → -7953 → -7952

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 11 × 241

Divisors: 1, 3, 11, 33, 241, 723, 2651, 7953

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -1111100010001

Octal: -17421

Duodecimal: -4729

Hexadecimal: -1f11

Square: 63250209

Square Root: 89.17959407846618

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

Rectangular array: A(n,k) = ∑_j=0..k (-1)^floor(j/2)*binomial(k-floor((j+1)/2), floor(j/2))*(-n)^k-j, n >= 1, k >= 0, read by antidiagonals. A299045

Expansion of (1-2x-3x²+x³-x⁵)/(1+4x³+x⁶). A157126

G.f.: ∑_n=-oo..+oo x^n*(n+1/2) * C(x)^4·n-6, where C(x) = 1 + x·C(x)² is the g.f. of the Catalan numbers (A000108). A355864

a(n) = 4·a(n-1) - a(n-2), with a(0) = 1, a(1) = 1. A1835

a(n) = 4·a(n-2) - a(n-4) for n > 1, a(n) = n for n = 0, 1. A2530

a(n) = (1 + a(n-1)*a(n-2))/a(n-3), a(0) = a(1) = a(2) = 1. A5246

Array T(k,n) read by antidiagonals. G.f.: x(1-x)/(1-kx+x²), k>1. A94954

a(n) = 4·a(n-1) - a(n-2) with a(1) = 1, a(2) = 3. A79935

Sizes of successive clusters in Z⁴ lattice. A46895

17-gonal (or heptadecagonal) numbers: a(n) = n*(15·n-13)/2. A51869