Properties of the Number 19140

Nineteen Thousand One Hundred Forty

Basics

Value: 19139 → 19140 → 19141

Parity: even

Prime: No

Previous Prime: 19139

Next Prime: 19141

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 5 × 11 × 29

Divisors: 1, 2, 3, 4, 5, 6, 10, 11, 12, 15

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100101011000100

Octal: 45304

Duodecimal: B0B0

Hexadecimal: 4ac4

Square: 366339600

Square Root: 138.3473888441701

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

Number of plane partitions of n with at most two rows. A990

Hendecagorials: n-th polygorial for k=11. A84944

Numbers k such that k-1, k+1 and k²+1 are prime numbers. A70155

Sum of all the parts in the partitions of n into 8 parts. A308989

Triangle read by rows: T(n,k) is the number of ascent sequences of length n with last zero at position k-1. A218579

Number of tilings of an equilateral triangle of side length n with unit triangles (of side length 1) and exactly two unit "lozenges" or "diamonds" (also of side length 1). A326367

Partial sums of A224613. A365446

Row sums in A083167. A83170

Numbers k such that 5^k mod k = 5^k mod k². A125775

Numbers m such that m⁴-1 has no divisors d with 1 < d < m-1. A129293