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Properties of the Number -7445

Four Hundred Forty-Five

Basics

Value: -7446 → -7445 → -7444

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 5 × 1489

Divisors: 1, 5, 1489, 7445

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -1110100010101

Octal: -16425

Duodecimal: -4385

Hexadecimal: -1d15

Square: 55428025

Square Root: 86.28441342444185

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

Expansion of 1/(1 - x - x2 + x5 - x7). A204631
Number of primes between n·100000 and (n+1)*100000. A38825
T(n,k)=Number of nXk -1,1 arrays such that the sum over i=1..n,j=1..k of i·x(i,j) is zero and rows are nondecreasing (ways to put k thrusters pointing east or west at each of n positions 1..n distance from the hinge of a south-pointing gate without turning the gate). A225310
T(n,k)=Rolling icosahedron footprints: number of nXk 0..11 arrays starting with 0 where 0..11 label vertices of an icosahedron and every array movement to a horizontal, diagonal or antidiagonal neighbor moves along an icosahedral edge. A223233
Non-palindromic balanced numbers in base 16. A256080
Number of length n word structures with all distinct run-lengths using an infinite alphabet. A351638
E.g.f. A(x) is inverse to F(x) = x·exp(-x)/(1+x). A52885
T(n,k)=Number of nXk 0..3 arrays with no occurrence of three equal elements in a row horizontally or vertically, and new values 0..3 introduced in row major order. A205310
Consecutive states of a linear congruential pseudo-random number generator (93·s+1) mod 213 when started at s=1. A384126
Number of partitions p of n not including ceiling(mean(p)) as a part. A241337