Properties of the Number 20163

Twenty Thousand One Hundred Sixty-Three

Basics

Value: 20162 → 20163 → 20164

Parity: odd

Prime: No

Previous Prime: 20161

Next Prime: 20173

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 3 × 11 × 13 × 47

Divisors: 1, 3, 11, 13, 33, 39, 47, 141, 143, 429

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 100111011000011

Octal: 47303

Duodecimal: B803

Hexadecimal: 4ec3

Square: 406546569

Square Root: 141.99647882958226

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) = (4·n+1)*(4·n+3). A1539

Expansion of 1/((1-2·x)*(1-7·x)*(1-8·x)). A16311

Sum of all odd numbers in Collatz (3x+1) trajectory of n. A213916

Numbers k such that (k+j) mod (2+j) = 1 for j from 0 to 8 and (k+9) mod 11 <> 1. A96026

After a(0)=0, numbers n such that (A002828(1+n) = 1) and (A002828(4+n) = 4). A278491

Partial sums of A051946. A50484

Fixed points of A275957; numbers n for which A060125(n) = A225901(n). A275843

a(n) is the smallest integer k > 3 that satisfies k mod j <= 3 for all integers j in 1..n. A361248

MM-number of the set-system with BII-number n. A371450

Ninth column of (1,5)-Pascal triangle A096940. A96946