Properties of the Number -127858

One Hundred Twenty-Seven Thousand Eight Hundred Fifty-Eight

Basics

Value: -127859 → -127858 → -127857

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 2 × 63929

Divisors: 1, 2, 63929, 127858

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -11111001101110010

Octal: -371562

Duodecimal: -61BAA

Hexadecimal: -1f372

Square: 16347668164

Square Root: 357.57237029725883

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) = 2ⁿ - C(n,0) - ... - C(n,4). A2664

a(n) = ∑_k=0..12 binomial(n,k). A219615

Numbers k such that 3·R_k+2 - 10^k is prime, where R_k = 11...1 is the repunit (A002275) of length k. A256375