Properties of the Number 39948

Thirty-Nine Thousand Nine Hundred Forty-Eight

Basics

Value: 39947 → 39948 → 39949

Parity: even

Prime: No

Previous Prime: 39937

Next Prime: 39953

Digit Sum: 33

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 3329

Divisors: 1, 2, 3, 4, 6, 12, 3329, 6658, 9987, 13316

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001110000001100

Octal: 116014

Duodecimal: 1B150

Hexadecimal: 9c0c

Square: 1595842704

Square Root: 199.86995772251515

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

Initial members of abundant quintuplets, i.e., values of k such that (k, k+2, k+4, k+6, k+8) are all abundant numbers. A108926

Numbers k such that abs(prime(k)-k*τ(k)) < sqrt(k). A68543

Partial sums of A160410. A160799

a(n) is the sum of the lengths of all the segments used to draw a rectangle of height 2^n-1 and width n divided into 2^n-1 rectangles of unit height, in turn, divided into rectangles of unit height and lengths corresponding to the parts of the compositions of n. A340228