Properties of the Number 66266

Sixty-Six Thousand Two Hundred Sixty-Six

Basics

Value: 66265 → 66266 → 66267

Parity: even

Prime: No

Previous Prime: 66239

Next Prime: 66271

Digit Sum: 26

Digital Root: 8

Palindrome: Yes

Factorization: 2 × 17 × 1949

Divisors: 1, 2, 17, 34, 1949, 3898, 33133, 66266

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000001011011010

Octal: 201332

Duodecimal: 32422

Hexadecimal: 102da

Square: 4391182756

Square Root: 257.42183279589943

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

Decimal concatenations of the 38 quintuples (d1,d2,d3,d4,d5) with elements in {2,4,6} for which there exists a prime p >= 7 such that the differences between the 6 consecutive primes starting with p are (d1,d2,d3,d4,d5). A78870

Number of unlabeled rooted trees with n nodes such that the minimal outdegree of inner nodes equals 3. A244457

Numbers having four 6's in base 10. A43516

G.f.: 1/( (1-32·x)*(1+11·x-x²)² )^1/5. A216358

a(n) = 6*(10^2·n+1-1)/9 - 4·10ⁿ. A332162

Partition the nonnegative integers into minimal groups whose sums are palindromes; this sequence gives the sums. A72482

Product of first n primorials + 1. A66266

In base 10 lunar arithmetic, a(n) is the smallest number than has exactly n different square roots (or -1 if no such number exists). A202174