Properties of the Number -211213

Two Hundred Eleven Thousand Two Hundred Thirteen

Basics

Value: -211214 → -211213 → -211212

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 211213

Divisors: 1, 211213

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110011100100001101

Octal: -634415

Duodecimal: -A2291

Hexadecimal: -3390d

Square: 44610931369

Square Root: 459.57915531494683

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

Summarize the previous term (digits in increasing order), starting with a(1) = 1. A5151

Look and Say sequence: describe the previous term! (method C - initial term is 2). A23989

Primes that are concatenations of n with n + 2. A32625

Summarize the previous term in base 4 (in increasing order). A98155

a(n) = A047842(A047842(n)), say what you see, once repeated. A235775

Number of n X 2 (-1,0,1) arrays of determinants of 2 X 2 subblocks of some (n+1) X 3 binary array with rows and columns of the latter in lexicographically nondecreasing order. A226866

Primes formed from the concatenation of previousprime(n) and n. A280576