Properties of the Number 38725

Thirty-Eight Thousand Seven Hundred Twenty-Five

Basics

Value: 38724 → 38725 → 38726

Parity: odd

Prime: No

Previous Prime: 38723

Next Prime: 38729

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 5 ² × 1549

Divisors: 1, 5, 25, 1549, 7745, 38725

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1001011101000101

Octal: 113505

Duodecimal: 1A4B1

Hexadecimal: 9745

Square: 1499625625

Square Root: 196.78668654154427

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

Composite numbers for which A324644(n)/A324198(n) = 2 and σ(n) == 2 (mod 4). A371082

Numbers k in A228058 such that also A001065(k) is in A228058. A325380

Numbers k such that k² - round(k/φ)² is a square where φ = (1+sqrt(5))/2. A389681

a(n) = 6·a(n-1) - a(n-2), n >= 2, a(0)=1, a(1)=2. A38725

E.g.f.: exp(7·x*G(x)⁶) / G(x)⁶ where G(x) = 1 + x·G(x)⁷ is the g.f. of A002296. A251577