Properties of the Number -165512

One Hundred Sixty-Five Thousand Five Hundred Twelve

Basics

Value: -165513 → -165512 → -165511

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ³ × 17 × 1217

Divisors: 1, 2, 4, 8, 17, 34, 68, 136, 1217, 2434

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -101000011010001000

Octal: -503210

Duodecimal: -7B948

Hexadecimal: -28688

Square: 27394222144

Square Root: 406.831660518205

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) = (1/4) * ∑_{k=0..floor(n/2)} (k+2) * binomial(2·k+2,2·n-4·k+1). A391830

Number of binary arrays indicating the locations of trailing edge maxima of a random length-n 0..1 array extended with zeros and convolved with -1,2,-1. A222036

Number of (n+6)X13 0..1 matrices with each 7X7 subblock idempotent. A224587