Properties of the Number 38845

Thirty-Eight Thousand Eight Hundred Forty-Five

Basics

Value: 38844 → 38845 → 38846

Parity: odd

Prime: No

Previous Prime: 38839

Next Prime: 38851

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 5 × 17 × 457

Divisors: 1, 5, 17, 85, 457, 2285, 7769, 38845

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001011110111101

Octal: 113675

Duodecimal: 1A591

Hexadecimal: 97bd

Square: 1508934025

Square Root: 197.0913493789111

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 ordered triples (a, b, c) with gcd(a, b, c) = 1 and 1 <= {a, b, c} <= n. A71778

Composite numbers n such that σ(n)+12 = σ(n+12). A54902

Numbers with 3 prime factors a < b < c such that 2c = a⁴ + b². A261657

Numbers k such that 3k-4, 3k-2, 3k+2, and 3k+4 are primes. A173092

Expansion of 1 / ((1 - 2·x) * (1 + 3·x + 4·x²)) in powers of x. A200562

a(n) = floor((a(n-2)*a(n-1))/(a(n-1)+a(n-2))) + a(n-1) + a(n-2), a(0) = 0, a(1) = 1, a(2) = 1, ... A96080

3-fold convolution of A000302 (powers of 4). A38845

Number of 3Xn 0..3 arrays x(i,j) with each element horizontally or antidiagonally next to at least one element with value (x(i,j)+1) mod 4, and upper left element zero. A231286