Properties of the Number 66184

Sixty-Six Thousand One Hundred Eighty-Four

Basics

Value: 66183 → 66184 → 66185

Parity: even

Prime: No

Previous Prime: 66179

Next Prime: 66191

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ³ × 8273

Divisors: 1, 2, 4, 8, 8273, 16546, 33092, 66184

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000001010001000

Octal: 201210

Duodecimal: 32374

Hexadecimal: 10288

Square: 4380321856

Square Root: 257.26251184344756

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

Table read by downward antidiagonals: T(n,k) is the number of tilings of the n X k cylinder up to horizontal and vertical reflections by a tile that is fixed under 180-degree rotation but not horizontal or vertical reflections. A368256

Number of numbers that are ternary squarefree words of length n. A88953

Number of n X 2 0,1 arrays indicating 2 X 2 subblocks of some larger (n+1) X 3 binary array having a sum of three or less, with rows and columns of the latter in lexicographically nondecreasing order. A227265

Number of (n+1) X (3+1) 0..2 arrays with the upper median of every 2 X 2 subblock differing from its horizontal and vertical neighbors by exactly one. A237632

Table read by downward antidiagonals: T(n,k) is the number of tilings of the n X k cylinder up to horizontal and vertical reflections by a tile that is fixed under vertical reflections but not horizontal reflections. A368255

Partial sums of A053872. A155974

Number of separable partitions of n in which the number of distinct (repeatable) parts is 6. A325650

a(n) = largest number of distinct words arising in Post's tag system {00, 1101} applied to a binary word w, over all starting words w of length n, or a(n) = -1 if there is a word w with an unbounded trajectory. A284116

Preperiod (or threshold) of orbit of Post's {00, 1101} tag system applied to the word (100)ⁿ, or -1 if this word has an unbounded trajectory. A284119

Period of orbit of Post's tag system applied to the word (100)ⁿ (version 1), or -1 if the orbit increases without limit. A284121