Properties of the Number -212701

Two Hundred Twelve Thousand Seven Hundred One

Basics

Value: -212702 → -212701 → -212700

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 212701

Divisors: 1, 212701

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: -110011111011011101

Octal: -637335

Duodecimal: -A3111

Hexadecimal: -33edd

Square: 45241715401

Square Root: 461.19518644495844

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(0)=2; for n>=1, a(n) = smallest prime p such that there is a gap of exactly 2n between p and next prime, or -1 if no such prime exists. A230

Primes for which the seven closest primes are smaller. A75043

Primes p such that (r-p)/log(p) > 5, where r is the next prime after p. A82890

Primes p followed by a gap of at least 1/2·log(p)². A211073

Primes preceding the first-occurrence gaps in A014320. A335366

a(n) is the smallest prime p of the form 4k+1 such that nextprime(p) - p = 4n. A82099

Least prime p such that 2n can be written as the sum or absolute difference of p and the next prime, or -1 if no such prime exists. A363544

Number of protruded partitions of n with largest part at most 3. A5404

The first primes in centuries with three primes. A157131

Smallest prime producing a gap with the next prime, the size of the gap being a composite number with 2n+1 as a factor. A217724