Properties of the Number 12271

Twelve Thousand Two Hundred Seventy-One

Basics

Value: 12270 → 12271 → 12272

Parity: odd

Prime: No

Previous Prime: 12269

Next Prime: 12277

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 7 × 1753

Divisors: 1, 7, 1753, 12271

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10111111101111

Octal: 27757

Duodecimal: 7127

Hexadecimal: 2fef

Square: 150577441

Square Root: 110.77454581265499

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

Minimal natural number (in decimal representation) with n prime substrings in binary representation (substrings with leading zeros are considered to be nonprime). A217302

Number of elements in Z[ ω ] whose 'smallest algorithm' is <= n, where ω² = -ω - 1. A6458

Sums of 12 distinct powers of 2. A38463

Numbers k such that 1 + product of first k composite numbers is prime. A53982

List of numbers n whose base-3 expansion contains only the digits 1 and 2 and whose base-4 expansion contains only the digits 2 and 3. A262963

Numbers n for which the numbers 6n+1, 3n+2, 6n+7 are all odd composite squarefree numbers, but none are semiprimes. A263510

Triangle read by rows: T(i,j) = (T(i-1,j) + i)*i. A121682

a(n) = sum of n successive primes after the n-th prime. A131740

Integers of the form 4n+3 for which ∑_i=1..u J(i,4n+3) obtains value zero exactly 7 times, when u ranges from 1 to (4n+3). Here J(i,k) is the Jacobi symbol. A166057

G.f.: A(x) = exp( ∑_n>=1 [∑_k>=0 a(k)ⁿ* x^k]ⁿ* xⁿ/n ). A179500