Properties of the Number 71443

Seventy-One Thousand Four Hundred Forty-Three

Basics

Value: 71442 → 71443 → 71444

Parity: odd

Prime: Yes

Previous Prime: 71437

Next Prime: 71453

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 71443

Divisors: 1, 71443

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10001011100010011

Octal: 213423

Duodecimal: 35417

Hexadecimal: 11713

Square: 5104102249

Square Root: 267.28823393482924

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 of the form 2·n²+1. A90698

Primes p such that p-1 divides 2^p-2. A69051

Home primes whose homeliness is 5. A133964

Primes p such that x⁹ = 2 has a solution mod p, but x^9² = 2 has no solution mod p. A70185

Primes p such that x²⁷ = 2 has no solution mod p, but x⁹ = 2 has a solution mod p. A59354

a(1)=1; starting with n>1, concatenate distinct divisors which are in A050376 in increasing order and repeat until a term of A050376 is reached (a(n)=0 if no term of A050376 is ever reached). A248713

Start with 1 and repeatedly reverse the digits and add 36 to get the next term. A118536

The smallest of four consecutive primes with prime gaps {a,b,c} = {10,18,2}. A215719

Odd integers k such that 5^(k-1/2) + 1 == 0 (mod k*(k-1)/2). A337829

The first 10 digits of the fourth root of n contain the digits 0-9. A119519