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Properties of the Number -31165

Thirty-One Thousand One Hundred Sixty-Five

Basics

Value: -31166 → -31165 → -31164

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 5 × 23 × 271

Divisors: 1, 5, 23, 115, 271, 1355, 6233, 31165

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111100110111101

Octal: -74675

Duodecimal: -16051

Hexadecimal: -79bd

Square: 971257225

Square Root: 176.53611528522995

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

Number of partitions of n into 3 or more parts. A4250
Number of integer partitions of n into three or more parts or into two equal parts. A349801
Consider a number of k digits n = dk*10k-1 + dk-1*10k-2 + … + d2*10 + d1. Sequence lists the numbers n such that ∑i=1..k-1{φ(∑j=1..i{dj*10j-1})} = ∑i=1..k-1{σ(∑j=1..i{dk-j+1*10i-j})} (see example below). A244069
Smallest composite which when sum of prime factors is repeatedly subtracted reaches a prime after n iterations. A53093
Total number of parts of multiplicity 5 in all partitions of n. A222705
a(n) = Fibonacci(n) represented in bijective base-6 numeration. A282237
a(n) is the number of paths of a chess king on square a1 to reach a position outside an 8 X 8 chessboard after n steps. A378902
Numbers n such that sum of squares of even digits of n equals sum of squares of odd digits of n. A76164
a(0)=0, a(1)=1, a(n) = min{3 a(k) + (3n-k-1)/2, k=0..(n-1)} for n>=2. A259653
Dimensions of the invariant subspaces in a sequence of modules of dimension (n+1)n-1 over the symmetric groups Sn. A108915