Properties of the Number 13663

Thirteen Thousand Six Hundred Sixty-Three

Basics

Value: 13662 → 13663 → 13664

Parity: odd

Prime: No

Previous Prime: 13649

Next Prime: 13669

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 13 × 1051

Divisors: 1, 13, 1051, 13663

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11010101011111

Octal: 32537

Duodecimal: 7AA7

Hexadecimal: 355f

Square: 186677569

Square Root: 116.88883607941351

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) is the smallest nonnegative integer such that the sum of any four ordered terms a(k), k<=n (repetitions allowed), is unique. A365300

Number of finite sets of positive integers whose right half (exclusive) sums to n. A360954

a(n) = n³ - 7·n + 7. A106734

a(n) = 81·n² - 2·n. A157507

Triangle read by rows: T(n,k) is the number of bargraphs of semiperimeter n having width k (n>=2, k>=1). A271942

Partial sums of icosahedral numbers (A006564). A302560

Numbers k such that k![12]-2 is prime, where k![12] is the twelve-fold multifactorial. A284132

Number of pairs (λ,μ) of partitions λ of n and μ of three with μ <= λ (by diagram containment). A303853

Square root of n has the same nonzero digit in each of the first 4 places to the right of the decimal point. A73585

Index of the first occurrence of A019565(2n-1) in sequence A103790. A103791