Properties of the Number -84211

Eighty-Four Thousand Two Hundred Eleven

Basics

Value: -84212 → -84211 → -84210

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 84211

Divisors: 1, 84211

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7925 Try Today's Challenge

Representations

Binary: -10100100011110011

Octal: -244363

Duodecimal: -40897

Hexadecimal: -148f3

Square: 7091492521

Square Root: 290.19131620363834

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

Primes of form 210·p + 1 where p is a prime. A51648

Number of tilings of a 18 X n rectangle using 3n hexominoes of shape I. A251075

Primes arising as the digitwise backward concatenation of terms of A110746. A110747

a(1) = 1; thereafter a(n+1) is obtained by prepending the digit-sum of a(n) to a(n). A372075

Let P(k) = floor(k/2). Start with n, apply P repeatedly until reach 1. a(n) = concatenation of numbers obtained. A83177

Let n! = 2^a*3^b*5^c*7^d.... in canonical form, then a(n) = concatenation a,b,c,d,... A93881