Properties of the Number -215607

Two Hundred Fifteen Thousand Six Hundred Seven

Basics

Value: -215608 → -215607 → -215606

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 7 × 10267

Divisors: 1, 3, 7, 21, 10267, 30801, 71869, 215607

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: -110100101000110111

Octal: -645067

Duodecimal: -A4933

Hexadecimal: -34a37

Square: 46486378449

Square Root: 464.3350083721881

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 sum-free sets that can be created by adding n to all sum-free sets [1..n-1]. A288728

T(n,k)=Number of (n+1)X(k+1) arrays of permutations of 0..(n+1)*(k+1)-1 with each element having directed index change 0,1 1,0 2,1 or -1,-1. A264476

Number of (n+1)X(7+1) arrays of permutations of 0..n·8+7 with each element having directed index change 0,1 1,0 2,1 or -1,-1. A264475

Number of (5+1)X(n+1) arrays of permutations of 0..n·6+5 with each element having directed index change 0,1 1,0 2,1 or -1,-1. A264479