Properties of the Number 9481

Nine Thousand Four Hundred Eighty-One

Basics

Value: 9480 → 9481 → 9482

Parity: odd

Prime: No

Previous Prime: 9479

Next Prime: 9491

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 19 × 499

Divisors: 1, 19, 499, 9481

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010100001001

Octal: 22411

Duodecimal: 55A1

Hexadecimal: 2509

Square: 89889361

Square Root: 97.37042672187485

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(1)=1, a(n)=a(n-1)+n if n even, a(n)=a(n-1)+n² if n is odd. A136047

Composite numbers whose divisors (except 1) all contain the digit 9. A62680

a(n) = n² written backwards. A2942

Numbers whose sum of divisors is a fourth power. A19422

Numbers that occur only once in A155043; positions of zeros in A262505, ones in A262507. A262508

a(n) = T(n,n-5), array T as in A055807. A55810

Number of partitions p of n such that the number of numbers having multiplicity 1 in p is a part and the number of numbers having multiplicity > 1 is a part. A241414

a(n) is the largest number m such that σ(m)=10ⁿ, or if there is no such m a(n)=0. A110076

Construct sequences P,Q,R by the rules: Q = first differences of P, R = second differences of P, P starts with 1,3,9, Q starts with 2,6, R starts with 4; at each stage the smallest number not yet present in P,Q,R is appended to R. Sequence gives P. A225385

Number of non-equivalent binary n X n matrices with three pairwise nonadjacent 1's. A232568