Properties of the Number -1774

Seven Hundred Seventy-Four

Basics

Value: -1775 → -1774 → -1773

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 887

Divisors: 1, 2, 887, 1774

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: -11011101110

Octal: -3356

Duodecimal: -103A

Hexadecimal: -6ee

Square: 3147076

Square Root: 42.118879377305376

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

Irregular triangle, T(n, k) = coefficients of p(x, n), where p(x, n) = (1-2·x)ⁿ⁺¹ * ∑_j>=0 jⁿ*(x/(1-x))^j, read by rows. A142073

Triangle read by rows, T(n, k) = ∑_j=0..n (-1)^k-j*Eulerian1(n, j)* binomial(n-j, n-k) for 0 <= k <= n. A291977

Coordination sequence T1 for Zeolite Code ABW and ATN. A8000

Coordination sequence for "tea" 3D uniform tiling. A299285

Number of disconnected 2-regular graphs on n vertices. A165652

Numbers where 7 outnumbers any other digit. A292457

Number of integer partitions of n such that, for all parts x, x - 1 or x + 1 is also a part. A355394

T(n,k)=Unchanging value maps: number of nXk binary arrays indicating the locations of corresponding elements unequal to no horizontal, diagonal or antidiagonal neighbor in a random 0..2 nXk array. A219142

Compound filter (prime signature & sum of the divisors): a(n) = P(A046523(n), A000203(n)), where P(n,k) is sequence A000027 used as a pairing function. A286360

T(n,k)=Number of nXk 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0, 2 or 4 neighboring 1s. A297694