Properties of the Number 29728

Twenty-Nine Thousand Seven Hundred Twenty-Eight

Basics

Value: 29727 → 29728 → 29729

Parity: even

Prime: No

Previous Prime: 29723

Next Prime: 29741

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 ⁵ × 929

Divisors: 1, 2, 4, 8, 16, 32, 929, 1858, 3716, 7432

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111010000100000

Octal: 72040

Duodecimal: 15254

Hexadecimal: 7420

Square: 883753984

Square Root: 172.41809649801846

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) = (A114043(n) - 1)/2. A115005

Number of parts if 3ⁿ is partitioned into parts of size 2ⁿ as far as possible and into parts of size 1ⁿ. A60692

Number of ways to place 2 nonattacking nightriders on an n X n board. A172141

a(0) = a(1) = 1; a(n) = 2 * ∑_k=0..n-2 a(k) * a(n-k-2). A354733

7-step Fibonacci sequence starting with (0,0,0,1,0,0,0). A251712

Sum T(n,k) of the entries in the k-th last cycles of all permutations of [n]; triangle T(n,k), n>=1, 1<=k<=n, read by rows. A286231

a(n) = (n + 2)*(n² + n - 1). A318765

Number of n X n binary arrays symmetric about both diagonal and antidiagonal with all ones connected only in a 00100-00100-11111 pattern in any orientation. A146999

Complete list of solutions to y² = x³ + 17; sequence gives·values. A29728

Continued fraction expansion of ∏_n>=0 (1-sqrt(5)*[sqrt(5)-2]⁴ⁿ⁺³)/(1-sqrt(5)*[sqrt(5)-2]⁴ⁿ⁺¹). A221076