Properties of the Number 3938

Three Thousand Nine Hundred Thirty-Eight

Basics

Value: 3937 → 3938 → 3939

Parity: even

Prime: No

Previous Prime: 3931

Next Prime: 3943

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 11 × 179

Divisors: 1, 2, 11, 22, 179, 358, 1969, 3938

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111101100010

Octal: 7542

Duodecimal: 2342

Hexadecimal: f62

Square: 15507844

Square Root: 62.75348595894893

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

Write 1,2,... in a clockwise spiral; sequence gives numbers on positive·axis. A33951

Number of partitions of n such that every part divides the largest part; a(0) = 1. A130689

Number of positions of the 15-puzzle at a distance of n moves from an initial state with the empty square in one of the corners, in the single-tile metric. A89484

a(1) = 1; for n > 1, a(n) = n concatenated with n - 1. A127423

a(n) = n*(8·n+3). A139276

T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 0 2 4 6 or 7. A252457

T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with each 2X2 subblock having clockwise pattern 0001 0101 or 0111. A259297

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00010101 00100101 or 01010101. A261265

Number of non-unimodal compositions of n into distinct terms. A72707

Number of partitions of n such that the number of odd parts is a part. A240574