Properties of the Number -705895

Seven Hundred Five Thousand Eight Hundred Ninety-Five

Basics

Value: -705896 → -705895 → -705894

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 5 × 141179

Divisors: 1, 5, 141179, 705895

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

375 Try Today's Challenge

Representations

Binary: -10101100010101100111

Octal: -2542547

Duodecimal: -2A0607

Hexadecimal: -ac567

Square: 498287751025

Square Root: 840.1755768885454

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) = ∑_d∣n φ(d^d), where φ(n) is the Euler totient function A000010(n). A226459

a(n) = (1/n) * ∑_k=1..n n^{n/gcd(n, k}). A332621

a(n) = ∑_d∣n φ(dⁿ), where φ() is the Euler totient function (A000010). A321349

a(n) = n·7ⁿ + 1. A50919

a(n) = 6·7ⁿ+1. A199483

a(0) = 1, a(1) = 7; for n>=2 a(n) is the number of degree-n monic reducible polynomials over GF(7), i.e., a(n) = 7ⁿ - A001693(n). A58822