Properties of the Number -1675

Six Hundred Seventy-Five

Basics

Value: -1676 → -1675 → -1674

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 ² × 67

Divisors: 1, 5, 25, 67, 335, 1675

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -11010001011

Octal: -3213

Duodecimal: -B77

Hexadecimal: -68b

Square: 2805625

Square Root: 40.92676385936225

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 array read by rows in which row n lists the integers k, in ascending order, for which there is a primitive cycle of n positive integers under iteration by the Collatz-like 3x+k function. A226619

G.f. A(x) satisfies: A(x) = A(x³ - x⁵)/x². A350479

Expansion of (1 - 2·x²)/(1 + x)⁴. Third column of Riordan triangle A248156. A248159

a(n) = 8ⁿ - n⁷. A24095

Sum at 45 degrees to horizontal in triangle of A081498. A81499

Positive integers which apparently never result in a palindrome under repeated applications of the function A056964(x) = x + (x with digits reversed). A23108

Reverse and Add! sequence starting with 196. A6960

Numbers m such that the Bernoulli number B_2·m has denominator 66. A51229

Irregular triangle read by rows: T(n,k) is the number of binary pattern classes in the (3,n)-rectangular grid with k '1's and (3n-k) '0's: two patterns are in same class if one of them can be obtained by a reflection or 180-degree rotation of the other. A226290

Irregular triangle read by rows: T(n,k) is the number of binary pattern classes in the (5,n)-rectangular grid with k '1's and (5n-k) '0's: two patterns are in same class if one of them can be obtained by a reflection or 180-degree rotation of the other. A228022