Properties of the Number 44745

Forty-Four Thousand Seven Hundred Forty-Five

Basics

Value: 44744 → 44745 → 44746

Parity: odd

Prime: No

Previous Prime: 44741

Next Prime: 44753

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 × 19 × 157

Divisors: 1, 3, 5, 15, 19, 57, 95, 157, 285, 471

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1010111011001001

Octal: 127311

Duodecimal: 21A89

Hexadecimal: aec9

Square: 2002115025

Square Root: 211.53013969645082

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) = (n+1)*(n+2)*(n+3)*(9n+4)/24. A51798

Number of (s(0), s(1), ..., s(2n)) such that 0 < s(i) < 9 and |s(i) - s(i-1)| = 1 for i = 1,2,...,2n, s(0) = 1, s(2n) = 5. A94828

G.f. C(x) satisfies: C(x) = x + 3·A(x)*B(x), where A(x) = x + B(x)*C(x) and B(x) = x + 2·A(x)*C(x). A229813

Lengths of runs of identical terms in A353710. A353718

Expansion of (x²)/[(1-x)*(1-3·x²-x³)]. A188021

a(1) = 16. For n > 1, a(n) is the position of the first occurrence of a(n-1) after the decimal point in the decimal expansion of π. A247345

Number of length 1+3 0..n arrays with every four consecutive terms having the sum of some three elements equal to three times the fourth. A248538

Expansion of x * (d/dx) 1/(1 - ∑_k>=0 x^{2^k}). A304908

Number of iterations of A176341 ("position of n in π") until a value is reached for the second time, when starting with n, or -1 if no value is repeated. A232013

Numbers n such that string 3,2 occurs in the base 10 representation of n but not of n+1. A44745