Properties of the Number 1213

One Thousand Two Hundred Thirteen

Basics

Value: 1212 → 1213 → 1214

Parity: odd

Prime: Yes

Previous Prime: 1201

Next Prime: 1217

Digit Sum: 7

Digital Root: 7

Palindrome: No

Factorization: 1213

Divisors: 1, 1213

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010111101

Octal: 2275

Duodecimal: 851

Hexadecimal: 4bd

Square: 1471369

Square Root: 34.828149534535996

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

Primes p such that p + 4 is also prime. A23200

Primes congruent to 1 (mod 12). A68228

Primes p such that (p+1)/2 is prime. A5383

Number of non-Look-and-Say partitions of n. Number of integer partitions of n such that there is no way to choose a disjoint strict integer partition of each multiplicity. A351293

Primes whose decimal representation is a valid number in base 4 and interpreted as such is again a prime. A90707

Describe n. Also called the "Say What You See" or "Look and Say" sequence LS(n). A45918

Primes of the form 8k + 5. A7521

Primes that become a different prime under the mapping 0 <=> 2. A180517

Primes such that next prime is 4 greater. A29710

Inverse binomial transform of primes. A7442