Properties of the Number -165212

One Hundred Sixty-Five Thousand Two Hundred Twelve

Basics

Value: -165213 → -165212 → -165211

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 103 × 401

Divisors: 1, 2, 4, 103, 206, 401, 412, 802, 1604, 41303

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -101000010101011100

Octal: -502534

Duodecimal: -7B738

Hexadecimal: -2855c

Square: 27295004944

Square Root: 406.4627904249047

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

T(n,k)=Number of nXk 0..3 arrays with rows and antidiagonals unimodal and columns nondecreasing. A223864

T(n,k) = number of n X k 0..3 arrays with rows, diagonals and antidiagonals unimodal and columns nondecreasing. A224173

T(n,k)=Number of nXk 0..3 arrays with rows unimodal and columns nondecreasing. A223987

T(n,k) = Number of n X k 0..2 arrays with rows unimodal and columns nondecreasing. A224190

Number of 2Xn 0..3 arrays with rows and antidiagonals unimodal and columns nondecreasing. A223865

Number of n X 7 0..3 arrays with rows, diagonals and antidiagonals unimodal and columns nondecreasing. A224172

Number of nX7 0..3 arrays with rows and antidiagonals unimodal and columns nondecreasing. A223863

Number of nX7 0..3 arrays with rows unimodal and columns nondecreasing. A223986

Number of nX7 0..2 arrays with rows unimodal and columns nondecreasing. A224189

a(n) = ∑_{p in P} y(1)*y(2), where P is the set of partitions of n, and y(k) is the number of parts with multiplicity at least k in p. A316861