Properties of the Number 38154

Thirty-Eight Thousand One Hundred Fifty-Four

Basics

Value: 38153 → 38154 → 38155

Parity: even

Prime: No

Previous Prime: 38153

Next Prime: 38167

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 6359

Divisors: 1, 2, 3, 6, 6359, 12718, 19077, 38154

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1001010100001010

Octal: 112412

Duodecimal: 1A0B6

Hexadecimal: 950a

Square: 1455727716

Square Root: 195.33048917155764

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

Table T(n,k) = sum over all set partitions of n of number at index k. A120057

Number of unlabeled rooted trees with n nodes such that the minimal outdegree of inner nodes equals 3. A244457

Triangle read by rows: T(n,k) is the number of 2-balanced partitions of a set of n elements in which the first and the second subsets have cardinality k, for n >= 0, k = 0..floor(n/2). A343254

Indices where the cumulative sum of cos(2k+1)^2k+1 reaches a record high value. A389559

Number of (n+2)X(1+2) 0..3 arrays with every 3X3 subblock row and column sum 1 3 6 or 8 and every diagonal and antidiagonal sum not 1 3 6 or 8. A252008

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 253", based on the 5-celled von Neumann neighborhood. A271052

G.f. A(x) satisfies: A(x) = 1 + x·A(x²)/(1 - x)². A307889

Integers k such that A014841(k) = A014841(k+1). A356961

a(n) = n! * ∑_k=0..n-2 1/k!. A38154