Properties of the Number 19072

Nineteen Thousand Seventy-Two

Basics

Value: 19071 → 19072 → 19073

Parity: even

Prime: No

Previous Prime: 19069

Next Prime: 19073

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ⁷ × 149

Divisors: 1, 2, 4, 8, 16, 32, 64, 128, 149, 298

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100101010000000

Octal: 45200

Duodecimal: B054

Hexadecimal: 4a80

Square: 363741184

Square Root: 138.10141201305655

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

Products of the 7th power of a prime and a distinct prime (p⁷*q). A179664

Array read by antidiagonals: T(n,m) = number of self-avoiding walks of any length from NW to SW corners on a grid with n rows and m columns. A271465

Primitive practical numbers of the form 2ⁱ * prime(k). A308710

Number of closed knight's tours in the first 2n cells of a 6 X ceiling(2n/6) board. A383662

Number of self-avoiding walks of any length from NW to SW corners of a grid or lattice with 4 rows and n columns. A214931

Number of inversion sequences of length n where all consecutive subsequences i,j,k satisfy i > j <= k or i <= j > k. A328491

Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 662", based on the 5-celled von Neumann neighborhood. A286780

Number of unrooted triangulations with reflection symmetry of a hexagon with n internal nodes. A5507

Expansion of (1-3x)/(1-x²+x³). A117374

Consider the partitions of n in reverse lexicographic ordering (A080577), a(n) is the position of the partition of n which has the maximum LCM. See A000793. A213952