Properties of the Number -1127

One Hundred Twenty-Seven

Basics

Value: -1128 → -1127 → -1126

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 7 ² × 23

Divisors: 1, 7, 23, 49, 161, 1127

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -10001100111

Octal: -2147

Duodecimal: -79B

Hexadecimal: -467

Square: 1270129

Square Root: 33.57082066318904

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) = (n+1)*(2-n)/2. A80956

a(n) = 1·2 - 3·4 + 5·6 - 7·8 + 9·10 - 11·12 + 13·14 - ... + (up to n). A319373

Row sums of number triangle related to the Jacobsthal numbers. A110325

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 193", based on the 5-celled von Neumann neighborhood. A270688

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 433", based on the 5-celled von Neumann neighborhood. A272148

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 449", based on the 5-celled von Neumann neighborhood. A272255

Expansion of e.g.f. ∏_k>=1 (1 + x^prime(k))^1/prime(k). A352003

a(n) = n*(n+3)/2. A96

Number of strict integer partitions of n with integer median. A359907

a(n) = n*(2·n + 3). A14106