Properties of the Number 338

Three Hundred Thirty-Eight

Basics

Value: 337 → 338 → 339

Parity: even

Prime: No

Previous Prime: 337

Next Prime: 347

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 × 13 ²

Divisors: 1, 2, 13, 26, 169, 338

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101010010

Octal: 522

Duodecimal: 242

Hexadecimal: 152

Square: 114244

Square Root: 18.384776310850235

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) = 2·n². A1105

Squares and twice squares. A28982

Triangle read by rows: T(n,k) is number of partitions of n having k distinct parts (n>=1, k>=1). A116608

Antisigma(n): Sum of the numbers less than n that do not divide n. A24816

a(n) = ceiling(n²/2). A982

Happy numbers: numbers whose trajectory under iteration of sum of squares of digits map (see A003132) includes 1. A7770

a(n) = floor(n²/2). A7590

Numbers which are the product of a prime and the square of a different prime (p² * q). A54753

Szekeres's sequence: a(n)-1 in ternary = n-1 in binary; also: a(1) = 1, a(2) = 2, and thereafter a(n) is smallest number k which avoids any 3-term arithmetic progression in a(1), a(2), ..., a(n-1), k. A3278

Numbers divisible by the square of their largest prime factor. A70003