Properties of the Number -4447

Four Hundred Forty-Seven

Basics

Value: -4448 → -4447 → -4446

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 4447

Divisors: 1, 4447

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1000101011111

Octal: -10537

Duodecimal: -26A7

Hexadecimal: -115f

Square: 19775809

Square Root: 66.68583057891684

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) = ∑_k=1..n k!*μ(k), where μ() is the Moebius function. A99739

Hex (or centered hexagonal) numbers: 3·n*(n+1)+1 (crystal ball sequence for hexagonal lattice). A3215

Number of labeled spanning trees in the complete hypergraph on n vertices (all hyperedges having cardinality 2 or greater). A30019

Primes of the form 7x²+4xy+52y². A140633

Primes of the form 2·k² + 29. A7641

Cuban primes: primes which are the difference of two consecutive cubes. A2407

Number of regions that the line segments in A091908(n) cut the equilateral triangle into. A92098

Primes congruent to 31 mod 32. A127578

Primes p such that p+4 and p+16 are also primes. A49492

A B₂ sequence: a(n) = least value such that sequence increases and pairwise sums of distinct elements are all distinct. A11185