Properties of the Number -3387

Three Hundred Eighty-Seven

Basics

Value: -3388 → -3387 → -3386

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 1129

Divisors: 1, 3, 1129, 3387

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: -110100111011

Octal: -6473

Duodecimal: -1B63

Hexadecimal: -d3b

Square: 11471769

Square Root: 58.19793810780585

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(n) = - 3ⁿ*A(2·n+1), where A(n) = 3·A(n-1) + A(n-2) - A(n-3)/3, with A(0)=A(1)=3, A(2)=11. A215945

Number of partitions of n into squarefree parts. A73576

Number of compositions (ordered partitions) of n that are concave-down sequences. A70211

Number of rectangular plane partitions of n. A323429

Number of partitions of n into parts not a multiple of 7. Also number of partitions with at most 6 parts of size 1 and differences between parts at distance 9 are greater than 1. A35985

Partial sums of A097988 (d₃(n)²). A330570

T(n,k)=Number of nXk 0..2 arrays x(i,j) with each element horizontally, diagonally or antidiagonally next to at least one element with value 2-x(i,j). A230675

Numbers k such that the number of digits d in k² is not prime and for each factor f of d the sum of the d/f digit groupings in k² of size f is a square. A153745

Number of integer partitions of n whose number of submultisets is less than or equal to n. A325834

Number of partitions of n into 9 prime powers (including 1). A341127