Properties of the Number -889

Eight Hundred Eighty-Nine

Basics

Value: -890 → -889 → -888

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 7 × 127

Divisors: 1, 7, 127, 889

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -1101111001

Octal: -1571

Duodecimal: -621

Hexadecimal: -379

Square: 790321

Square Root: 29.816103031751148

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

Nearest integer to n²*sin(n). A274087

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

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

Numerators of sequence arising from study of Calabi-Yau manifolds. A60346

Identity matrices minus Steinbach matrices as characteristic polynomials to give a triangular array I[n]-An[i,j]-> P[k,x] P[k,n]->T[n,m). A122160

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 267", based on the 5-celled von Neumann neighborhood. A271086

sin(sec(x)*arcsin(x))=x+3/3!*x³+5/5!*x⁵-889/7!*x⁷-82167/9!*x⁹... A12783

Sequence and first differences (A030124) together list all positive numbers exactly once. A5228

Number of subsets of {1, 2, ..., n} such that no member is a sum of distinct other members. A151897

Number of partitions of n such that no part is a sum of two other parts. A236912