Properties of the Number 19472

Nineteen Thousand Four Hundred Seventy-Two

Basics

Value: 19471 → 19472 → 19473

Parity: even

Prime: No

Previous Prime: 19471

Next Prime: 19477

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ⁴ × 1217

Divisors: 1, 2, 4, 8, 16, 1217, 2434, 4868, 9736, 19472

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100110000010000

Octal: 46020

Duodecimal: B328

Hexadecimal: 4c10

Square: 379158784

Square Root: 139.54210834009928

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

Number of subsets of {1, 2, ..., n} containing n and having <=7 pairwise coprime elements. A186991

Positions of zeros in A345055, which is the Dirichlet inverse of A011772. A345053

Number of connected functions on n points with a loop of length 6. A29869

E.g.f.: 1 / (exp(2·x) - x). A336958

5-digit terms in the continued fraction for π. A48960

XOR difference triangle of the powers of 3, read by rows. A99887

Expansion of 1/(1 - x⁴ - x⁵ - x⁶ - x⁷ - x⁸ + x¹²). A225501

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 165", based on the 5-celled von Neumann neighborhood. A270459

Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite BRE = Brewsterite (Sr,Ba)2[Al4Si12O32].10H2O starting with a T1 atom. A19087

Expansion of ∏_{i>=1, j>=1} (1 + x^i·j + x^2·i*j). A329805