Properties of the Number 38280

Thirty-Eight Thousand Two Hundred Eighty

Basics

Value: 38279 → 38280 → 38281

Parity: even

Prime: No

Previous Prime: 38273

Next Prime: 38281

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ³ × 3 × 5 × 11 × 29

Divisors: 1, 2, 3, 4, 5, 6, 8, 10, 11, 12

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1001010110001000

Octal: 112610

Duodecimal: 1A1A0

Hexadecimal: 9588

Square: 1465358400

Square Root: 195.65275362232958

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

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000101 or 00001001. A260248

Numbers n such that the multiplicative group modulo n is the direct product of 6 cyclic groups. A272596

Numbers with prime factorization pqrst³. A189984

Number of non-congruent solutions of x² + y² + z² + t² == 0 mod n. A240547

Numbers k such that prime(k) +/- k and prime(k) +/- 2k are all primes. A112530

Number of solutions to x² + y² + z² + t² == n (mod 2·n) for x,y,z,t in [0, 2·n). A229294

Number of constrained mixed models with n factors. A79263

a(n) = p*(p - 1)*(73·p² - 45·p + 14)/24, where p = prime(n). A273222

Number·such that σ(x) = ∑_i=1..k {σ(x/p_i)}, where p_i are the k prime factors of x. A324711

Expansion of e.g.f. exp(x²/(1-x)⁴). A387244