Properties of the Number 28893

Twenty-Eight Thousand Eight Hundred Ninety-Three

Basics

Value: 28892 → 28893 → 28894

Parity: odd

Prime: No

Previous Prime: 28879

Next Prime: 28901

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 9631

Divisors: 1, 3, 9631, 28893

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 111000011011101

Octal: 70335

Duodecimal: 14879

Hexadecimal: 70dd

Square: 834805449

Square Root: 169.97941051786242

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

Where 7ⁿ occurs in n-almost-primes, starting at a(0)=1. A78845

Let P1>=5, P2, P3 be consecutive primes, with P2-P1=2. a(n)=(P1+P2)/12 when P3-P2 sets a record. A329160

Let P1, P2, P3, P4 be consecutive primes, with P2-P1=P4-P3=2. a(n)=(P1+P2)/12 when P3-P2 sets a new record. A329164

Let P1, P2, P3, P4 be consecutive primes, with P2 - P1 = P4 - P3 = 2. a(n) = (P1 + P2)/12 for the first occurrence of (P3 - P1)/6 = n. A329250

Let P1 >= 5, P2, P3 be consecutive primes, with P2 - P1 = 2. a(n) = (P1 + P2)/12 for the first occurrence of (P3 - P2)/2 = n. A329252

Denominators of continued fraction convergents to sqrt(430). A41819

Number of n-almost primes less than or equal to nⁿ. A116435

Numbers k such that the k-th triangular number contains only digits {1,4,7}. A119127

Expansion of (1/x) * Series_Reversion( x * (1+x³/(1-x))³ ). A369081

a(n) = (1/24)*(n+1)*(3·n³+59·n²+358·n+648). A90949