Properties of the Number -669900

Six Hundred Sixty-Nine Thousand Nine Hundred

Basics

Value: -669901 → -669900 → -669899

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 5 ² × 7 × 11 × 29

Divisors: 1, 2, 3, 4, 5, 6, 7, 10, 11, 12

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10100011100011001100

Octal: -2434314

Duodecimal: -283810

Hexadecimal: -a38cc

Square: 448766010000

Square Root: 818.4741901856161

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

Unitary amicable numbers. A63991

Smaller of unitary amicable pair. A2952

Lesser of tri-unitary amicable numbers pair: numbers (m, n) such that tsigma(m) = tsigma(n) = m + n, where tsigma(n) is the sum of the tri-unitary divisors of n (A324706). A324708

Lesser of modified exponential amicable pairs. A323758

a(n) is the smallest member of the n-th purely periodic unitary σ aliquot cycle listed in A336216. A336219

Numbers k such that sopfr(k) = ud(k), where sopfr = A001414 and ud = A034444. A64029