Properties of the Number 9644

Nine Thousand Six Hundred Forty-Four

Basics

Value: 9643 → 9644 → 9645

Parity: even

Prime: No

Previous Prime: 9643

Next Prime: 9649

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 2411

Divisors: 1, 2, 4, 2411, 4822, 9644

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10010110101100

Octal: 22654

Duodecimal: 56B8

Hexadecimal: 25ac

Square: 93006736

Square Root: 98.20386957752734

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

Expansion of 6-dimensional cusp form (η(q) * η(q³))⁶ in powers of q. A7332

Number of 3-dimensional partitions of n up to conjugacy. A119266

3-almost primes with semiprime digits (digits 4, 6, 9 only). A111494

Expansion of (χ(q) / χ³(q³))² in powers of q where χ() is a Ramanujan θ function. A164614

Expansion of (χ(-x) / χ³(-x³))² in powers of·where χ() is a Ramanujan θ function. A216046

Records in A086183. A86186

a(n) = n for n = 1, 2, 3; for n > 3: a(n) = number of partitions of n into preceding terms. A229362

Numbers k such that the product of the first k composite numbers minus 1 is a prime. A57017

Indices where records occur in A265432. A272675

Irregular triangle read by rows: T(n,k) is the number of simple connected graphs on n unlabeled nodes with domination number k, n >= 1, 1 <= k <= A065033(n+1). A332401