Properties of the Number 38744

Thirty-Eight Thousand Seven Hundred Forty-Four

Basics

Value: 38743 → 38744 → 38745

Parity: even

Prime: No

Previous Prime: 38737

Next Prime: 38747

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ³ × 29 × 167

Divisors: 1, 2, 4, 8, 29, 58, 116, 167, 232, 334

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1001011101011000

Octal: 113530

Duodecimal: 1A508

Hexadecimal: 9758

Square: 1501097536

Square Root: 196.8349562450735

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

Numbers k such that if x = σ(k) + τ(k) - k then k = σ(x) + τ(x) - x. A238226

Expansion of e.g.f. log(1+x)/exp(tan(x)). A9438

Triangle T(n, k) = binomial(binomial(n, 2) + k, k) + binomial(binomial(n, 2) + n-k, n-k) - binomial(binomial(n, 2) + n, n), read by rows. A176567

Greater members of dihedral amicable pairs: numbers (m, k) such that t(m) = t(k) = m + k, where t(k) = σ(k) + d(k). A322254

A129957(n) - n*(n-1)/2. A129959

a(n) = T(2n,n), array T as in A038738. A38744

Number of (n+1)X6 0..2 arrays with every 2X2 subblock having equal diagonal elements or equal antidiagonal elements. A203832

Rolling icosahedron face footprints: number of nX6 0..19 arrays starting with 0 where 0..19 label faces of an icosahedron and every array movement to a horizontal or vertical neighbor moves across an icosahedral edge. A223207