Properties of the Number -61184

Sixty-One Thousand One Hundred Eighty-Four

Basics

Value: -61185 → -61184 → -61183

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ⁸ × 239

Divisors: 1, 2, 4, 8, 16, 32, 64, 128, 239, 256

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -1110111100000000

Octal: -167400

Duodecimal: -2B4A8

Hexadecimal: -ef00

Square: 3743481856

Square Root: 247.3539973398449

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

Numbers n such that n²⁰⁴⁸ + 1 is prime (a generalized Fermat prime). A88361

Extended Lucas L(n,i) = n*(L(n,i-1) + L(n,i-2)) = aⁱ + bⁱ where d = sqrt(n*(n+4)); a=(n+d)/2; b=(n-d)/2. A170931

Numbers k such that there are exactly 9 numbers j for which binomial(k, floor(k/2)) / binomial(k,j) is an integer, i.e., A080383(k) = 9. A327431

Numbers k such that σ(k) = ψ(k) + φ(k) + ω(k)⁴. A391763

Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 310", based on the 5-celled von Neumann neighborhood. A287604

a(n) = A341886(n)/2; numbers k such that A307437(k) is even. A341887

Expansion of e.g.f tan(x)*sinh(sin(x)), even powers only. A9745

a(n) = n⁴ - n³ - n². A132998

Number of n X n arrays of squares of integers summing to 9. A159375

Least b such that b^2ⁿ + 1 is a Proth prime (A080076). A334053