Properties of the Number -102665

One Hundred Two Thousand Six Hundred Sixty-Five

Basics

Value: -102666 → -102665 → -102664

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 5 × 20533

Divisors: 1, 5, 20533, 102665

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -11001000100001001

Octal: -310411

Duodecimal: -4B4B5

Hexadecimal: -19109

Square: 10540102225

Square Root: 320.41379495895615

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 the row and column sums nondecreasing. A202581

Number of nX2 0..3 arrays with the row and column sums nondecreasing. A202576

Number of n X 6 0..3 arrays with the row and column sums nondecreasing. A202580

a(1) = 1; a(n+1) = ∑_k=1..n lcm(a(k),n)/n. A292303