Properties of the Number 87444

Eighty-Seven Thousand Four Hundred Forty-Four

Basics

Value: 87443 → 87444 → 87445

Parity: even

Prime: No

Previous Prime: 87443

Next Prime: 87473

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 7 × 347

Divisors: 1, 2, 3, 4, 6, 7, 9, 12, 14, 18

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101010110010100

Octal: 252624

Duodecimal: 42730

Hexadecimal: 15594

Square: 7646453136

Square Root: 295.7093167284386

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

First elements of maximal isospectral chains of length 3. A335082

Triangle read by rows, T(n, k) = (-1)^n-k*n!*[t^k]([xⁿ] exp(x·t)/(1 + log(1+x))) for 0<=k<=n. A291978

Number of ordered triples (w,x,y) with all terms in {-n, ..., -1, 1, ..., n} and 4w + x + y > 0. A211629

Number of sets of exactly five positive integers <= n having a square element sum. A281865

Shifts left under "CGJ" (necklace, element, labeled) transform. A32151

Numbers that are congruent to {1, 4} mod 9. A87444

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