Properties of the Number 71129

Seventy-One Thousand One Hundred Twenty-Nine

Basics

Value: 71128 → 71129 → 71130

Parity: odd

Prime: Yes

Previous Prime: 71119

Next Prime: 71143

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 71129

Divisors: 1, 71129

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10001010111011001

Octal: 212731

Duodecimal: 351B5

Hexadecimal: 115d9

Square: 5059334641

Square Root: 266.7002062241422

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

Home primes: for n >= 2, a(n) = the prime that is finally reached when you start with n, concatenate its prime factors (A037276) and repeat until a prime is reached (a(n) = -1 if no prime is ever reached). A37274

Home primes whose homeliness is 5. A133964

Primes reached in A037271, or -1 if no such prime exists. A37272

Primes that are a concatenation of 7, 11 and a prime. A101250

Primes obtained from other primes by prefixing a 7. A167187

Primes p1 such that p1³+p2²=pp are average of twin primes. p1 and p2 consecutive primes, p1 < p2. A138735

a(n) is the least prime > a(n-2) such that a(n-1)+a(n) is a square. A359582

Trajectory of 36 under prime factor concatenation procedure. A37935

Squares which repeat with at least two full periods when written in base 3. A71129