Properties of the Number 38428

Thirty-Eight Thousand Four Hundred Twenty-Eight

Basics

Value: 38427 → 38428 → 38429

Parity: even

Prime: No

Previous Prime: 38393

Next Prime: 38431

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 13 × 739

Divisors: 1, 2, 4, 13, 26, 52, 739, 1478, 2956, 9607

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001011000011100

Octal: 113034

Duodecimal: 1A2A4

Hexadecimal: 961c

Square: 1476711184

Square Root: 196.0306098546857

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 such that 10^k + 13 is prime. A95688

G.f. A(x) satisfies: A( A(x)³ ) = C(x) * A(x)², where C(x) = x + C(x)², with A(0)=0, A'(0)=1. A272484

Smallest k > 0 such that abs(S(k)P(k)-k) equals n, where S(k) is the sum and P(k) is the product of decimal digits of k or 0 if no such k exists. A114457

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 1), (-1, 1, 1), (0, -1, 1), (1, 0, 0), (1, 1, -1)}. A148902

Coordination sequence T1 for Zeolite Code STT. A38428