Properties of the Number -277727

Two Hundred Seventy-Seven Thousand Seven Hundred Twenty-Seven

Basics

Value: -277728 → -277727 → -277726

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 193 × 1439

Divisors: 1, 193, 1439, 277727

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1000011110011011111

Octal: -1036337

Duodecimal: -11487B

Hexadecimal: -43cdf

Square: 77132286529

Square Root: 526.998102463377

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

a(n) = 5·a(n-1) - a(n-2), with a(0) = 2, a(1) = 5. A3501

a(n) = a(n-1)² - 2, with a(0) = 5. A3487

a(n) = 23a(n-1) - a(n-2), starting with a(0) = 2 and a(1) = 23. A90731

Numerator of ∑_{p prime, p-1 divides 2·n} 1/p. A27761

Numerators of continued fraction convergents to sqrt(21). A41032

Numerators of continued fraction convergents to sqrt(525). A42004

Denominator of Bernoulli_n multiplied by the sum of the associated inverse primes in the Staudt-Clausen theorem, n=1, 2, 4, 6, 8, 10,... A166306

a(n) = n⁴ + 8·n³ + 20·n² + 16·n + 2. A304725