Properties of the Number -212940

Two Hundred Twelve Thousand Nine Hundred Forty

Basics

Value: -212941 → -212940 → -212939

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 5 × 7 × 13 ²

Divisors: 1, 2, 3, 4, 5, 6, 7, 9, 10, 12

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -110011111111001100

Octal: -637714

Duodecimal: -A3290

Hexadecimal: -33fcc

Square: 45343443600

Square Root: 461.45422308177007

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

Numbers n that raised to the powers from 1 to k (with k>=1) are multiple of the sum of their digits (n raised to k+1 must not be a multiple). Case k=13. A135198

Number of 2n-bead balanced binary strings of fundamental period 2n, rotationally equivalent to reverse, complement and reversed complement. A45665

Recursive triangle for calculating A186491. A186492

From the enumeration of corners. A6332

Number of arrangements of n indistinguishable balls in n boxes with the maximum number of balls in any box equal to 2. A180282

Numbers with prime factorization pqr^2s^2t². A190379

Numbers which are sum of three squares of positive numbers and also 5 times of the sum of their joint products. A347969

Integer areas of the tangential triangles corresponding to the integer-sided triangles with integer areas. A230361