Properties of the Number 29928

Twenty-Nine Thousand Nine Hundred Twenty-Eight

Basics

Value: 29927 → 29928 → 29929

Parity: even

Prime: No

Previous Prime: 29927

Next Prime: 29947

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 ³ × 3 × 29 × 43

Divisors: 1, 2, 3, 4, 6, 8, 12, 24, 29, 43

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111010011101000

Octal: 72350

Duodecimal: 153A0

Hexadecimal: 74e8

Square: 895685184

Square Root: 172.99710980244728

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) = (prime(n)-1)*(prime(n)+1). A84920

Numbers k such that 3^k + 10 is prime. A217137

Numbers such that the two adjacent integers are a prime and the square of another prime. A347194

Numbers sandwiched between two numbers having only one prime divisor (at least) one of which is composite. A88072

a(n) = ∑_k=0..n-1 T(n,k) * T(n,k+1), with T given by A026714. A27202

Numbers n such that n+1 and φ(n)+1 are both perfect squares. A89952

Number of Smith numbers below 10ⁿ. A104170

Nonsquarefree numbers such that n-1 is prime and n+1 is square. A146980

Maximum coefficient of the polynomial (-1)ⁿ⁺¹*∏_k=1..n (1 - x^k)². A156082

Absolute value of the minimum coefficient of (1 - x)² * (1 - x²)² * (1 - x³)² * ... * (1 - xⁿ)². A380499