Properties of the Number -185472

One Hundred Eighty-Five Thousand Four Hundred Seventy-Two

Basics

Value: -185473 → -185472 → -185471

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 ⁷ × 3 ² × 7 × 23

Divisors: 1, 2, 3, 4, 6, 7, 8, 9, 12, 14

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101101010010000000

Octal: -552200

Duodecimal: -8B400

Hexadecimal: -2d480

Square: 34399862784

Square Root: 430.66460267823265

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

a(n) = A171373(n+1) - 2·A171373(n). A171408

Table read by rows, T(n, k) (for 0 <= k <= n) = (-2)^{n - k}*k!*Stirling2(n, k). A344913

Fibonacci sequence beginning 0, 4. A22087

a(n) = Fibonacci(n)*A113973(n) for n>=1, with a(0)=1, where A113973 lists the coefficients in φ(x³)³/φ(x) and φ() is a Ramanujan θ function. A205969

Numbers m such that the equation m = k*σ(k) has more than one solution. A337873

Coefficients of series whose 4th power is the θ series of D₄ (see A004011). A108092

s(k)-s(j), where the pairs (k,j) are given by A205872 and A205873, and s(k) denotes the (k+1)-st Fibonacci number. A205874

Numbers which in at least two ways are the product of two distinct numbers with the same digits (leading zeros are forbidden). A77760

Row sums of triangle A131327. A131328

Terms of A066531 not ending in 0. A117282