Properties of the Number 12889

Twelve Thousand Eight Hundred Eighty-Nine

Basics

Value: 12888 → 12889 → 12890

Parity: odd

Prime: Yes

Previous Prime: 12853

Next Prime: 12893

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 12889

Divisors: 1, 12889

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 11001001011001

Octal: 31131

Duodecimal: 7561

Hexadecimal: 3259

Square: 166126321

Square Root: 113.52973178863765

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 k such that (3^k + 5^k)/8 = A074606(k)/8 is a prime. A122853

Primes of the form m² + 3m + 9, where m can be positive or negative. A5471

Primes p with q(p) + 1 also prime, where q(.) is the strict partition function (A000009). A234530

Primes of the form 2·n² + 78·n + 37. A217501

Primes p such that A001177(p) = (p-1)/8. A308801

Primes of the form C(2·m, m) + prime(m), where C(2·m, m) = (2·m)!/(m!)². A236245

Primes whose sum of digits is the perfect number 28. A48517

a(n) = 104·n + 9977. A126978

Primes p for which there are exactly as many primes in the range [p², p·nextprime(p)] as there are in the range [p·nextprime(p), nextprime(p)²], where nextprime(p) gives the next prime after prime p. A256472

Upper ends of record gaps between numbers that are either prime or twice a prime. A290489