Properties of the Number -2469

Four Hundred Sixty-Nine

Basics

Value: -2470 → -2469 → -2468

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 823

Divisors: 1, 3, 823, 2469

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100110100101

Octal: -4645

Duodecimal: -1519

Hexadecimal: -9a5

Square: 6095961

Square Root: 49.68903299521938

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

McKay-Thompson series of class 28C for Monster. A58608

The Gould numbers. A40027

Number of patterns of length n with all distinct run-lengths. A351292

a(n) = 1·2 + 3·4 + 5·6 + 7·8 + 9·10 + 11·12 + 13·14 + ... + (up to n). A228958

Number of unlabeled rooted trees with n nodes where the branches of no non-leaf branch of any terminal subtree form a submultiset of the branches of the same subtree. A324844

Number of partitions p of n into distinct parts, including floor(mean(p)). A241312

T(n,k)=Hilltop maps: number of nXk binary arrays indicating the locations of corresponding elements not exceeded by any horizontal, diagonal or antidiagonal neighbor in a random 0..1 nXk array. A219078

Smallest number such that n·a(n) is a concatenation of n consecutive integers; or 0 if no such number exists. A75000

Numbers k such that k!! + 2³ is prime. A76188

Triangle read by rows. The definition is by diagonals. The r-th diagonal from the right, for r >= 0, is given by b(0) = b(1) = 1; b(n+1) = ∑_k=0..n binomial(n+2,k+r)*a(k). A121207