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Properties of the Number 19274

Nineteen Thousand Two Hundred Seventy-Four

Basics

Value: 19273 → 19274 → 19275

Parity: even

Prime: No

Previous Prime: 19273

Next Prime: 19289

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 23 × 419

Divisors: 1, 2, 23, 46, 419, 838, 9637, 19274

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100101101001010

Octal: 45512

Duodecimal: B1A2

Hexadecimal: 4b4a

Square: 371487076

Square Root: 138.83083231040575

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

Numbers k at which point A336459(k) appears multiplicative, but A051027(k) does not. A336561
a(0)=a(1)=1, a(n) = least k > a(n-1) such that k·a(n-2) is an oblong number. A214963
Array A(n,s) read by rows: the free n-polysticks of the square lattice with symmetry group of order 2s. A348096
Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 206", based on the 5-celled von Neumann neighborhood. A270735
Number of odd parts in the partitions of n into 7 parts. A309622
Integers k such that the sum of the first k noncubes is a square. A373767
Trajectory of 3 under map n->17n+1 if n odd, n->n/2 if n even. A37106
Number of walks within N3 (the first octant of Z3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, -1), (-1, -1, 1), (-1, 0, 0), (0, -1, 1), (1, 1, 0)}. A149133
Number of recursive calls needed to compute the n-th Fibonacci number F(n), starting with F(1) = F(2) = 1. A19274
The hyper-Wiener index of the nanostar dendrimer defined pictorially as NS[n] in the Z. S. Irani reference. A224466