Properties of the Number 19066

Nineteen Thousand Sixty-Six

Basics

Value: 19065 → 19066 → 19067

Parity: even

Prime: No

Previous Prime: 19051

Next Prime: 19069

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 9533

Divisors: 1, 2, 9533, 19066

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100101001111010

Octal: 45172

Duodecimal: B04A

Hexadecimal: 4a7a

Square: 363512356

Square Root: 138.07968713753664

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

a(n) = T(n,n), T given by A026584. Also a(n) is the number of integer strings s(0), ..., s(n) counted by T, such that s(n)=0. A26585

Number of distinct lines passing through 3 or more points in an n X n grid. A225606

a(n) = smallest k such that li(k) - π(k) >= n, where li(k) is the logarithmic integral and π(x) is the number of primes <= x. A359145

Expansion of ∏_k>=1 (1 + x^k*A005185(k)). A147879

Number of nX5 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 2,0,1,3,4 for x=0,1,2,3,4. A195975

Number of partitions of n with equal nonzero number of parts congruent to each of 0 and 3 (mod 5). A35564

Numbers n such that 51·2ⁿ-1 is prime. A50551

T(n,k) = Number of n X k 0..4 arrays with each element·equal to the number of its horizontal and vertical neighbors equal to 2,0,1,3,4 for x=0,1,2,3,4. A195978

Irregular table read by rows: T(n,k) is the number of k-gons, k>=2, in the Farey Ring graph FR(n) defined in A359116. A359119

Number of 3n-length 8-ary words, either empty or beginning with the first letter of the alphabet, that can be built by repeatedly inserting triples of identical letters into the initially empty word. A218478