Properties of the Number 38750

Thirty-Eight Thousand Seven Hundred Fifty

Basics

Value: 38749 → 38750 → 38751

Parity: even

Prime: No

Previous Prime: 38749

Next Prime: 38767

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 5 ⁴ × 31

Divisors: 1, 2, 5, 10, 25, 31, 50, 62, 125, 155

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1001011101011110

Octal: 113536

Duodecimal: 1A512

Hexadecimal: 975e

Square: 1501562500

Square Root: 196.85019685029528

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 orientable strings of length n using a maximum of k colors, array read by descending antidiagonals, T(n,k) for n >= 1 and k >= 1. A293500

Larger of amicable pair m < n defined by t(n) = m and t(m) = n where t(n) = ψ(n) - n and ψ(n) = A001615(n) is the Dedekind ψ function. A323330

Number of maximal subsets of {1..n} of which every subset has a different sum. A325865

Number of reversible strings with n beads of 5 colors. If more than 1 bead, not palindromic. A32088

Sums of the products of n consecutive pairs of numbers. A135036

a(n) = σ(n) * A276086(n), pointwise product of the sum of divisors function and the primorial base exp-function. A351252

Numbers n such that n | 5ⁿ + 4ⁿ + 3ⁿ. A57236

The same array as in A293500, but without the leading row and column of zeros. See that entry for more information. A309008

A variant of the recurrence for A001190. A38750

a(n) = ∑_k=0..n C(n,k)⁴*(-1)^k. A228304