Properties of the Number 29805

Twenty-Nine Thousand Eight Hundred Five

Basics

Value: 29804 → 29805 → 29806

Parity: odd

Prime: No

Previous Prime: 29803

Next Prime: 29819

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 × 1987

Divisors: 1, 3, 5, 15, 1987, 5961, 9935, 29805

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111010001101101

Octal: 72155

Duodecimal: 152B9

Hexadecimal: 746d

Square: 888338025

Square Root: 172.64124652005964

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

Shifts 6 places right under inverse binomial transform. A10750

Numbers that appear exactly five times in A101402. (Also indices of fives in A101403.). A129117

Expansion of ∑_k>0 (1/(1-x^k)⁵ - 1). A363695

The hyper-Wiener index of the circumcoronene H(n) (see definition in the Klavzar papers). A214580

a(n) = n⁴/2-5·n³/2+21·n-30. A217530

Numbers n such that n·2²²⁰³ - 1 is prime. A265503

a(n) is the number of elements in row n of A350605. A350606

a(n) is the number of distinct five-cuboid combinations that fill an n X n X n with only strict cuboids. A386902

Number of partitions satisfying cn(0,5) <= cn(2,5) and cn(0,5) <= cn(3,5). A39838

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 1), (-1, 1, 1), (0, 1, 0), (1, -1, 1), (1, 1, -1)}. A148495