Properties of the Number 6659

Six Thousand Six Hundred Fifty-Nine

Basics

Value: 6658 → 6659 → 6660

Parity: odd

Prime: Yes

Previous Prime: 6653

Next Prime: 6661

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 6659

Divisors: 1, 6659

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101000000011

Octal: 15003

Duodecimal: 3A2B

Hexadecimal: 1a03

Square: 44342281

Square Root: 81.6026960338934

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

Discriminants of imaginary quadratic fields with class number 23 (negated). A46020

Primes from merging of 4 successive digits in decimal expansion of π. A104824

Primes from merging of 4 successive digits in decimal expansion of sqrt(2). A198164

Number of integer partitions of n with integer reverse-alternating product. A347445

Number of integer partitions of n whose parts do not have choosable sets of integer partitions. A387134

Total number of prime parts in all partitions of n. A37032

Number of odd-length integer partitions of n with integer alternating product. A347444

Primes p with q = p + 2 and prime(q) + 2 both prime. A236457

Lesser of twin primes p1 and p2 such that 2·p1+p2 is a prime number. A174913

Primes congruent to 3 in the structure (or curve) of A211000. A211003