Properties of the Number 39242

Thirty-Nine Thousand Two Hundred Forty-Two

Basics

Value: 39241 → 39242 → 39243

Parity: even

Prime: No

Previous Prime: 39241

Next Prime: 39251

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 7 × 2803

Divisors: 1, 2, 7, 14, 2803, 5606, 19621, 39242

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1001100101001010

Octal: 114512

Duodecimal: 1A862

Hexadecimal: 994a

Square: 1539934564

Square Root: 198.09593635408072

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

Triangle read by rows: T(n,k) is the number of sensed combinatorial maps with n edges and k vertices, 1 <= k <= n + 1. A380615

G.f.: ∑_k>=1 x^2·k/(1+x^2·k) * ∏_k>=1 (1+x^k)/(1-x^k). A305122

Number of sensed combinatorial maps with n edges and 3 vertices. A380619

Number of binary strings of length 2n that contain the ones' complements and the reversals of each of their two halves. A237502

Number of (n+2)X(4+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000101 or 00001011. A261551

Number of nX5 0..1 arrays with every element unequal to 0, 1, 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A320368

Numbers whose base-12 representation has the same number of 3's and 7's. A39242