Properties of the Number 38913

Thirty-Eight Thousand Nine Hundred Thirteen

Basics

Value: 38912 → 38913 → 38914

Parity: odd

Prime: No

Previous Prime: 38903

Next Prime: 38917

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 7 × 17 × 109

Divisors: 1, 3, 7, 17, 21, 51, 109, 119, 327, 357

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001100000000001

Octal: 114001

Duodecimal: 1A629

Hexadecimal: 9801

Square: 1514221569

Square Root: 197.26378278842773

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

a(n) is the smallest nonnegative·such that the Euler polynomial x² + x + 41 has exactly n distinct prime proper divisors. A145293

a(n) = ∑_{k=0..floor(2·n/7)} binomial(3·k,2·n-7·k). A392436

a(n) = n*(n + 1)*(5·n² + 5·n - 4)/12. A264853

a(n) = 4·a(n-1) + 3·a(n-2) - 14·a(n-3) + 8·a(n-4). A96977

Indices k such that 15 plus the k-th triangular number is a perfect square. A154145

a(n) = 38·n² + 1. A158593

Where records appear in A109734. A109740

Number of compositions of n such that the set of parts and the set of multiplicities of parts are equal. A336031

Index of first occurrence of n in A165633. A165765

Number of septenary sequences of length n such that no two consecutive terms have distance 2. A287809