Properties of the Number 44051

Forty-Four Thousand Fifty-One

Basics

Value: 44050 → 44051 → 44052

Parity: odd

Prime: No

Previous Prime: 44041

Next Prime: 44053

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 7 ² × 29 × 31

Divisors: 1, 7, 29, 31, 49, 203, 217, 899, 1421, 1519

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1010110000010011

Octal: 126023

Duodecimal: 215AB

Hexadecimal: ac13

Square: 1940490601

Square Root: 209.8833009079093

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 T(n,k) of isoscent sequences of length n with exactly k descents; triangle T(n,k), n>=0, 0<=k<=n+2-ceiling(2·sqrt(n+1)), read by rows. A242352

Coefficient of x⁴ in (1-x-x²)^-n. A6504

a(n) = 7·binomial(5·n+7, n)/(5·n+7). A233669

Numbers n such that d(n + d(n)) = d(n), where d(n) is the sum of the distinct primes dividing n. A175760

Number of isoscent sequences of length n with exactly four descents. A243477

a(n) = (10·n+3)*(10·n+17). A152579

G.f. satisfies A(x) = (1 + x·A(x)*(1 + x·A(x)))⁵. A376328

a(n) = (s(n+1) + 1)/2, where s = A006995 (base-2 palindromes). A44051