Properties of the Number 38223

Thirty-Eight Thousand Two Hundred Twenty-Three

Basics

Value: 38222 → 38223 → 38224

Parity: odd

Prime: No

Previous Prime: 38219

Next Prime: 38231

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 31 × 137

Divisors: 1, 3, 9, 31, 93, 137, 279, 411, 1233, 4247

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 1001010101001111

Octal: 112517

Duodecimal: 1A153

Hexadecimal: 954f

Square: 1460997729

Square Root: 195.50703312157341

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 partitions of n with n kinds of 1. A292463

Smallest of three consecutive integers divisible respectively by three consecutive squares greater than 1. A178919

Number of partitions of n with nine kinds of 1. A320755

Expansion of 1/(1 - x/(1 - 16·x⁸)^1/8). A373512

a(n) is the sum of distinct sums of all subsets with two or more elements of {1, 2, ..., n}. A375764

Area of annuli of consecutive integer thickness. A114378

Number of nonnegative integers with property that their base 9/7 expansion (see A024655) has n digits. A245429

a(n) = ∑_k=0..n binomial(2·n+3·k,n-k). A360144

Bottom line of 3-wave sequence A038196, also bisection of A006356. A38223

Number of nX5 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2 or 3 neighboring 1s. A297541