Properties of the Number 30388

Thirty Thousand Three Hundred Eighty-Eight

Basics

Value: 30387 → 30388 → 30389

Parity: even

Prime: No

Previous Prime: 30367

Next Prime: 30389

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 71 × 107

Divisors: 1, 2, 4, 71, 107, 142, 214, 284, 428, 7597

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111011010110100

Octal: 73264

Duodecimal: 15704

Hexadecimal: 76b4

Square: 923430544

Square Root: 174.32154198491935

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

a(n+1) = floor(a(n) * ∑_k=0..n 1/a(k)^s), where s = ∑_k>=0 1/a(k)^s and a(0)=1; s = 2.260568736857767... A80135

Number of (n+2)X(6+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 or 00000001. A259640

Number of (n+2)X(6+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00010101 01010101 or 01010111. A260136

Position of n-th 1 in A030386. A30388