Properties of the Number 8920

Eight Thousand Nine Hundred Twenty

Basics

Value: 8919 → 8920 → 8921

Parity: even

Prime: No

Previous Prime: 8893

Next Prime: 8923

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ³ × 5 × 223

Divisors: 1, 2, 4, 5, 8, 10, 20, 40, 223, 446

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001011011000

Octal: 21330

Duodecimal: 51B4

Hexadecimal: 22d8

Square: 79566400

Square Root: 94.44575162494075

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

Number of binary sequences of length n with no initial repeats (or, with no final repeats). A122536

Numbers k such that σ(k) = σ(k+12). A15882

Avoiding the pattern 121'2'. To avoid 121'2' means not to have four consecutive letters such that the first letter is less than the second one and the third letter is less than the fourth one. A177471

Numbers k such that k and k+5 are 5-almost primes. A124942

Möbius transform of A332223. A332463

Number of Twopins positions. A5682

Gaps of 2 in sequence A038593 (upper terms). A38644

Number of (w,x,y,z) with all terms in {1,...,n} and 2∣w-x|<=n+|y-z|. A212690

Number of partitions p of n such that (number of numbers in p of form 3k) > (number of numbers in p of form 3k+1). A241745

Numbers that are divisible by 5 and are the difference between two (different positive) cubes in at least one way. A38853