Properties of the Number -204672

Two Hundred Four Thousand Six Hundred Seventy-Two

Basics

Value: -204673 → -204672 → -204671

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ⁷ × 3 × 13 × 41

Divisors: 1, 2, 3, 4, 6, 8, 12, 13, 16, 24

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110001111110000000

Octal: -617600

Duodecimal: -9A540

Hexadecimal: -31f80

Square: 41890627584

Square Root: 452.40689649915817

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. A(x) satisfies: A(x) = A( x³ + 6·x*A(x)³ )^1/3, with A(0)=0, A'(0)=1. A271934

A variant of payphone permutations: given a row of n payphones, a(n) is the number ways for n people to choose the payphones in order, where each person chooses an unoccupied payphone such that the closest occupied payphone is as distant as possible, and a payphone adjacent to a single occupied payphone is preferred over a payphone sandwiched between two occupied payphones. A363785

a(0)=1. a(n) = sum of the earlier terms which are divisible by (the number of 1's in the binary representation of n). A123757

Table read by rows. T(n, k) = [x^k] n! * ∑_j=0..n binomial(n·x, j). A358366