Properties of the Number 1271

One Thousand Two Hundred Seventy-One

Basics

Value: 1270 → 1271 → 1272

Parity: odd

Prime: No

Previous Prime: 1259

Next Prime: 1277

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 31 × 41

Divisors: 1, 31, 41, 1271

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011110111

Octal: 2367

Duodecimal: 89B

Hexadecimal: 4f7

Square: 1615441

Square Root: 35.651086939951774

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 > 1000 such that all the substrings of length = 3 are primes (substrings with leading '0' are considered to be nonprime). A211684

Numbers that are the sum of 6 positive 5th powers. A3351

Odd numbers not of form p + 2^k (de Polignac numbers). A6285

a(n) = least k such that the remainder when 11^k is divided by k is n. A127819

Mountain numbers. A134941

Integers of the form t/6, where t is a triangular number (A000217). A154293

a(n) = n*(n+10). A98603

Sum of first n composite numbers. A53767

a(n) = prime(n)*prime(n+2). A90076

a(n) = ∑_k=1..n k·d(k) where d(k) is the number of divisors of k. A143127