Properties of the Number 44159

Forty-Four Thousand One Hundred Fifty-Nine

Basics

Value: 44158 → 44159 → 44160

Parity: odd

Prime: Yes

Previous Prime: 44131

Next Prime: 44171

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 44159

Divisors: 1, 44159

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1010110001111111

Octal: 126177

Duodecimal: 2167B

Hexadecimal: ac7f

Square: 1950017281

Square Root: 210.14042923721271

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 of 3 X n binary matrices up to row and column permutations. A2727

Number of unlabeled rooted trees with n nodes such that the minimal outdegree of inner nodes equals 6. A244460

Primes whose successive differences are increasing squares. A88173

Let c(k) denote the k-th composite number and p(k) the k-th prime number; then a(n) = ∑_{i=n*(n-1)/2+1 .. n*(n+1)/2} c(i) - ∑_i=1..n p(i). A24850

a(n) is the smallest natural number m such that (10ⁿ)! + m is prime. A108518

Primes p such that p³ +- (p+1) are primes. A137472

Primes p of the form a²-b² and p·a-b is also prime (with b=prime and a=b+1). A173875

a(n) is the least prime p such that n² + (p-n)² is prime and k² + (p-k)² is composite for 1 <= k < n. A376920

Erroneous version of A057835. A45915

Numbers n such that string 3,0 occurs in the base 7 representation of n but not of n-1. A44159