Properties of the Number -218812

Two Hundred Eighteen Thousand Eight Hundred Twelve

Basics

Value: -218813 → -218812 → -218811

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: Yes

Factorization: 2 ² × 11 × 4973

Divisors: 1, 2, 4, 11, 22, 44, 4973, 9946, 19892, 54703

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -110101011010111100

Octal: -653274

Duodecimal: -A6764

Hexadecimal: -356bc

Square: 47878691344

Square Root: 467.77344943893513

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

Last term of n-th row of A077526. A77525

a(1)=88; for n>=1, a(n+1) is the smallest palindromic 4-almost prime with a(n) as a central substring. A248047

Palindromes that are multiples of 11 and whose digit sum is also a multiple of 11. A346221