Properties of the Number 11765

Eleven Thousand Seven Hundred Sixty-Five

Basics

Value: 11764 → 11765 → 11766

Parity: odd

Prime: No

Previous Prime: 11743

Next Prime: 11777

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 5 × 13 × 181

Divisors: 1, 5, 13, 65, 181, 905, 2353, 11765

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110111110101

Octal: 26765

Duodecimal: 6985

Hexadecimal: 2df5

Square: 138415225

Square Root: 108.4665847162157

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

When expressed in base 2 and then interpreted in base 7, is a multiple of the original number. A62848

Number of subsets of {1..n} containing n such that some element can be written as a positive linear combination of the others. A365042

a(n) = T(n,n-5), array T as in A055801. A55805

Let G_n denote the planar graph defined in A358746 with the addition, if n is odd, of the circle containing the initial n points; sequence gives the number of regions in G_n. A370976

Number of parts that are visible in one of the three views of the shell model of partitions version "Tree" with n shells. A194803

Numbers n that are the product of three distinct odd primes and x² + y² = n has integer solutions. A264498

Sieve performed by successive iterations of steps where step m is: keep m terms, remove the next 3 and repeat; as m = 1,2,3,.. the remaining terms form this sequence. A112561

Sum of the largest parts of the partitions of n into 4 parts. A308760

Final elements in rows when A322050 is displayed as a triangle. A322048

Trajectory of 3 under map n->7n-1 if n odd, n->n/2 if n even. A63871