Properties of the Number 84211

Eighty-Four Thousand Two Hundred Eleven

Basics

Value: 84210 → 84211 → 84212

Parity: odd

Prime: Yes

Previous Prime: 84199

Next Prime: 84221

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

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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

G.f. A(x) defined by: A(x)¹¹ consists entirely of integer coefficients between 1 and 11 (A084066); A(x) is the unique power series solution with A(0)=1. A84211

Carmichael numbers (A002997) that are the sum of three consecutive primes. A270267

a(n+1) is the least multiple of a(n) such that the digit reversal of the concatenation of the first n+1 terms is prime. A110746

Fermat pseudoprimes (A001567) that are the sum of three consecutive primes. A270639