Properties of the Number 8930

Eight Thousand Nine Hundred Thirty

Basics

Value: 8929 → 8930 → 8931

Parity: even

Prime: No

Previous Prime: 8929

Next Prime: 8933

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 5 × 19 × 47

Divisors: 1, 2, 5, 10, 19, 38, 47, 94, 95, 190

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10001011100010

Octal: 21342

Duodecimal: 5202

Hexadecimal: 22e2

Square: 79744900

Square Root: 94.4986772394196

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) = 2·n*(2·n+1). A2943

a(n)² is a square whose digits occur with an equal minimum frequency of 2. A52049

Number of partitions of n containing a clique of size 9. A183566

Number of integer partitions of n such that the maximum is greater than or equal to twice the median. A361859

T(n,k) = Number of (n+2) X (k+2) 0..3 arrays with every 3 X 3 subblock row and column sum 1 3 6 or 8 and every diagonal and antidiagonal sum not 1 3 6 or 8. A252015

Smallest even number k such that lpf(k-3) = prime(n) while lpf(k-1) > lpf(k-3), where lpf=least prime factor (A020639). A242490

a(n) = (3·n+1)*(3·n+2). A1504

T(n,k)=Number of nXk 0..4 arrays with each element·equal to the number of its horizontal and vertical neighbors equal to 2,0,1,0,1 for x=0,1,2,3,4. A197679

Start with a(1) = 1, and extend by the rule that the next term is the product of the two most recent non-terms of the sequence. A249406

Column 1 of triangle A117335. A117336