Properties of the Number -166408

One Hundred Sixty-Six Thousand Four Hundred Eight

Basics

Value: -166409 → -166408 → -166407

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ³ × 11 × 31 × 61

Divisors: 1, 2, 4, 8, 11, 22, 31, 44, 61, 62

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -101000101000001000

Octal: -505010

Duodecimal: -80374

Hexadecimal: -28a08

Square: 27691622464

Square Root: 407.9313667763243

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) = Fibonacci(5·n)/5. A49666

Rectangular array of numbers Fibonacci(m(n+1))/Fibonacci(m), m >= 1, n >= 0, read by downward antidiagonals. A28412

Array T(m,n) = Fibonacci(m·n)/Fibonacci(m), by antidiagonals; transpose of A028412. A214978

a(n) = Fibonacci(6, n). A124152

a(n) = floor(Fibonacci(n)/5). A4698

Integers that appear as ratios of Fibonacci numbers F(kn)/F(k), but omitting Fibonacci numbers F(n)/F(1) and Lucas numbers F(2n)/F(n). A31122

[s(k)-s(j)]/10, where the pairs (k,j) are given by A205877 and A205878, and s(k) denotes the (k+1)-st Fibonacci number. A205880

Power round array for the golden ratio, by antidiagonals. A214987

a(n) is the least integer k such that k/Fibonacci(n) > 1/5. A293637

a(n) is the integer k that minimizes |k/Fibonacci(n) - 1/5|. A293638