Properties of the Number -38980

Thirty-Eight Thousand Nine Hundred Eighty

Basics

Value: -38981 → -38980 → -38979

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 5 × 1949

Divisors: 1, 2, 4, 5, 10, 20, 1949, 3898, 7796, 9745

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1001100001000100

Octal: -114104

Duodecimal: -1A684

Hexadecimal: -9844

Square: 1519440400

Square Root: 197.43353311937665

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

Number of 1-sided polyedges with n edges. A151537

Solution of the complementary equation a(n) = a(n-1) + a(n-3) + a(n-4) + b(n-3), where a(0) = 1, a(1) = 2, a(2) = 3, a(3) = 4, b(0) = 5, b(1) = 6, b(2) = 7, b(3) = 8, and (a(n)) and (b(n)) are increasing complementary sequences. A295755

"CFK" (necklace, size, unlabeled) transform of 2,1,1,1... A32140

Number of nondecreasing strings of numbers x(i=1..n) in -3..3 with sum x(i)³ equal to 0. A188271

Number of permutations avoiding the consecutive pattern 42351. A202224

Number of permutations avoiding the consecutive pattern 43521. A202225

Number of permutations avoiding the consecutive pattern 45123. A202231

The hyper-Wiener index of the tetrameric 1,3-adamantane TA(n) (see the Fath-Tabar et al. reference). A216107

Number of nX2 0..1 arrays with every element equal to 0, 2, 4, 5 or 7 king-move adjacent elements, with upper left element zero. A298569