Properties of the Number 18935

Eighteen Thousand Nine Hundred Thirty-Five

Basics

Value: 18934 → 18935 → 18936

Parity: odd

Prime: No

Previous Prime: 18919

Next Prime: 18947

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 5 × 7 × 541

Divisors: 1, 5, 7, 35, 541, 2705, 3787, 18935

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100100111110111

Octal: 44767

Duodecimal: AB5B

Hexadecimal: 49f7

Square: 358534225

Square Root: 137.6045057401828

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() = 1,3,... [ A037257 ], differences = 2,... [ A037258 ] and 2nd differences [ A037259 ] are disjoint and monotonic; adjoin next free number to 2nd differences unless it would produce a duplicate in which case ignore. A37257

Number of partitions of n into 7 or more parts. A347543

Numbers k such that k and k+1 are both terms in A377209. A377271

Gaps of 9 in sequence A038593 (lower terms). A38657

Total number of occurrences of the pattern 1=2=3 in all preferential arrangements (or ordered partitions) of n elements. A240798

Indices of the start of 10 successive distinct digits in the decimal expansion of e (2.718281828...). A258166

a(n) = (n+5)³ - n³. A38867

Row sums of triangle defined in A113820. A160968

G.f.: (1+x³+x⁴+x⁵+x⁶+x⁹)/((1-x)*(1-x²)²*(1-x³)*(1-x⁴)). A90491

a(n) = ∑_k=0..n binomial(4·n+1,k). A386811