Properties of the Number 39800

Thirty-Nine Thousand Eight Hundred

Basics

Value: 39799 → 39800 → 39801

Parity: even

Prime: No

Previous Prime: 39799

Next Prime: 39821

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ³ × 5 ² × 199

Divisors: 1, 2, 4, 5, 8, 10, 20, 25, 40, 50

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001101101111000

Octal: 115570

Duodecimal: 1B048

Hexadecimal: 9b78

Square: 1584040000

Square Root: 199.49937343260004

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) = (7·n + 3)*(7·n + 4). A177071

Numbers that are representable in at least two ways as sums of four distinct nonvanishing cubes. A259060

Smallest integer that is the sum of a prime and the square of a prime in n or more ways. A381333

Positions of zeros in A393422. A393461

a(n) = tribonacci(n) modulo Fibonacci(n). A335534

Smallest integer that is the sum of a prime and the square of a prime in exactly n ways. A381334

Number of partitions of n into distinct cubes. A279329

Column 1 of Inverse partition triangle A038498. A39800

Number of (n+1)X(1+1) 0..3 arrays with the maximum plus the upper median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one. A237899