Properties of the Number -213312

Two Hundred Thirteen Thousand Three Hundred Twelve

Basics

Value: -213313 → -213312 → -213311

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 12

Digital Root: 3

Palindrome: Yes

Factorization: 2 ⁶ × 3 × 11 × 101

Divisors: 1, 2, 3, 4, 6, 8, 11, 12, 16, 22

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110100000101000000

Octal: -640500

Duodecimal: -A3540

Hexadecimal: -34140

Square: 45502009344

Square Root: 461.8571207635539

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 m such that the smallest digit in the decimal expansion of 1/m is 4, ignoring leading and trailing 0's. A352158

Triangle read by rows in which row n gives n smallest n-digit multiples of n that are palindromes. A84024

Palindromes with exactly 9 prime factors (counted with multiplicity). A46335

a(n) is the least palindrome that has exactly n palindromic divisors other than itself and 1. A378140

Palindromic numbers that set a new record for number of palindromic divisors. A84324

Palindromes formed from the concatenation of n, sum of n and R(n), and R(n) with its leading zeros; or 0 if no such palindrome exists. R(k) is the digit reversal of k. A84998

Palindromes with exactly 9 palindromic prime factors (counted with multiplicity). A46383

Beginning with 1, palindromes such that successive differences are distinct primes. A88052