Properties of the Number 18382

Eighteen Thousand Three Hundred Eighty-Two

Basics

Value: 18381 → 18382 → 18383

Parity: even

Prime: No

Previous Prime: 18379

Next Prime: 18397

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 7 × 13 × 101

Divisors: 1, 2, 7, 13, 14, 26, 91, 101, 182, 202

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100011111001110

Octal: 43716

Duodecimal: A77A

Hexadecimal: 47ce

Square: 337897924

Square Root: 135.58023454766553

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 <= i < j <= n} (j-i)³. A24166

Partial sums of A008137. A299276

Number of days after Jan 01 1000 such that the date written in the ISO-8601-format YYYYMMDD is palindromic. A210883

Smallest Rhonda number to base b = n-th composite number, A002808(n). A255872

Number of non-equivalent ways to place 3 non-attacking ferses on an n X n board. A278682

4-white numbers: partition digits of n⁴ into blocks of 4 starting at right; sum of these 4-digit numbers equals n. A37044

Expansion of ∏_j>=1 (1 - x^j)/(1 - x^4·j)⁴. A286953

Number of partitions of n such that the set of parts has an even number of elements. A92306

Positions of record high water marks in A246024. A246026

a(n) = n*(n + 1)*(n + 2)*(9·n - 7)/12. A264852