Properties of the Number 19499

Nineteen Thousand Four Hundred Ninety-Nine

Basics

Value: 19498 → 19499 → 19500

Parity: odd

Prime: No

Previous Prime: 19489

Next Prime: 19501

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 17 × 31 × 37

Divisors: 1, 17, 31, 37, 527, 629, 1147, 19499

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100110000101011

Octal: 46053

Duodecimal: B34B

Hexadecimal: 4c2b

Square: 380211001

Square Root: 139.63881981741324

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) = least k such that the remainder when 16^k is divided by k is n. A128156

Number of nX2 0..1 arrays with every element unequal to 1, 2, 4 or 5 king-move adjacent elements, with upper left element zero. A304052

Number of 2 X 2 matrices having all terms in {1,...,n} and nonnegative determinant. A211058

Expansion of e.g.f. exp( -LambertW(-arcsin(x)) ). A385424

Least k such that the cyclotomic polynomial φ(k,x) contains n or -n as a coefficient, where k is restricted to be the product of 3 distinct prime numbers. A134518

Smallest k such that the sums of digits of k and k² in base 10 are both divisible by n or a(n) = -1 if no such k exists. A389000

"DFK" (bracelet, size, unlabeled) transform of 2,1,1,1... A32215

G.f. A(x) satisfies: A(x) = x - x² * A(x/(1 - x)) / (1 - x). A346079

Number of partitions of n with equal number of parts congruent to each of 2 and 3 (mod 4). A35545

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, -1), (-1, -1, 1), (-1, 0, 1), (0, 1, 0), (1, -1, 0)}. A148121