Properties of the Number 36020

Thirty-Six Thousand Twenty

Basics

Value: 36019 → 36020 → 36021

Parity: even

Prime: No

Previous Prime: 36017

Next Prime: 36037

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 5 × 1801

Divisors: 1, 2, 4, 5, 10, 20, 1801, 3602, 7204, 9005

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1000110010110100

Octal: 106264

Duodecimal: 18A18

Hexadecimal: 8cb4

Square: 1297440400

Square Root: 189.7893569197177

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

Smallest even k such that lpf(k-3) > lpf(k-1) >= prime(n), where lpf=least prime factor (A020639). A242719

Number of points of L1 norm 3 in cubic lattice Zⁿ. A35597

Smallest even k such that lpf(k-1) = prime(n), while lpf(k-3) > prime(n), where lpf=least prime factor (A020639). A242489

T(n,k)=Number of nXk 0..3 arrays x(i,j) with each element horizontally, vertically or antidiagonally next to at least one element with value (x(i,j)+1) mod 4 and at least one element with value (x(i,j)-1) mod 4, and upper left element zero. A230994

Numbers k such that A006577(k²) sets a new record. A346592

Sum of the first n n-digit primes less n·10^n-1. A114053

Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n) - 1, where a(0) = 1, a(1) = 4, b(0) = 2, b(1) = 3, b(2) = 5, and (a(n)) and (b(n)) are increasing complementary sequences. A295964

Coordination sequence for 30-dimensional cubic lattice. A35725

Number of strings of numbers x(i=1..5) in 0..n with sum i²*x(i) equal to n·25. A183956

Number of nX3 0..3 arrays x(i,j) with each element horizontally, vertically or antidiagonally next to at least one element with value (x(i,j)+1) mod 4 and at least one element with value (x(i,j)-1) mod 4, and upper left element zero. A230991