Properties of the Number 11971

Eleven Thousand Nine Hundred Seventy-One

Basics

Value: 11970 → 11971 → 11972

Parity: odd

Prime: Yes

Previous Prime: 11969

Next Prime: 11981

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 11971

Divisors: 1, 11971

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10111011000011

Octal: 27303

Duodecimal: 6B17

Hexadecimal: 2ec3

Square: 143304841

Square Root: 109.4120651482276

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 with 10 as smallest positive primitive root. A61323

Primes of the form 210n + 1. A73102

Least prime in A031928 (lesser of 10-twins) whose distance to the next 10-twin is 6·n. A52354

Mother primes of order 9. A136068

Primes having only {1, 7, 9} as digits. A260893

Primes that are palindromic in base 9. A29977

Prime numbers that have a triangular Voronoi cell in the Voronoi diagram of the Ulam prime spiral. A257527

Number of positive meanders (walks starting at the origin and ending at any altitude > 0 that never touch or go below the x-axis in between) with n steps from {-2,-1,0,1,2}. A278391

Centered 19-gonal numbers. A69132

Primes p such that p's set of distinct digits is {1,7,9}. A108384