Properties of the Number 11689

Eleven Thousand Six Hundred Eighty-Nine

Basics

Value: 11688 → 11689 → 11690

Parity: odd

Prime: Yes

Previous Prime: 11681

Next Prime: 11699

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 11689

Divisors: 1, 11689

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10110110101001

Octal: 26651

Duodecimal: 6921

Hexadecimal: 2da9

Square: 136632721

Square Root: 108.11567878897121

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

n-th prime in the first occurrence of at least n consecutive primes of the form 4k + 1. A145986

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

Primes p such that the sum of the digits of p is not prime, but the sum of the cubes of the digits of p is prime. A91365

Primes congruent to 4 mod 41. A142201

Primes congruent to 7 mod 59. A142734

The sums of pairs of adjacent terms are the odd palindromic primes in ascending order. A181884

Primes p such that ∑_{k=PreviousPrime(p)..p} d(k) = ∑_{k=p..NextPrime(p)} d(k), where d(k) is the number of divisors function A000005. A353552

Prime numbers congruent to 1 or 169 modulo 240 representable neither by x² + 150·y² nor by x² + 960·y². A325088

Denominators of continued fraction convergents to sqrt(523). A42001

Primes of the form 16·m² + 25 for m=1,2,3,... A87857