Properties of the Number 70005

Seventy Thousand Five

Basics

Value: 70004 → 70005 → 70006

Parity: odd

Prime: No

Previous Prime: 70003

Next Prime: 70009

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 × 13 × 359

Divisors: 1, 3, 5, 13, 15, 39, 65, 195, 359, 1077

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001000101110101

Octal: 210565

Duodecimal: 34619

Hexadecimal: 11175

Square: 4900700025

Square Root: 264.58458004955617

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

Number of distinct resistances that can be produced using n unit resistors in series, parallel, bridge or fork configurations. A337516

G.f.: 1/(1 - x/(1 - x²/(1 - x⁵/(1 - x¹²/(1 - x²⁹/(1 - x⁷⁰/(1 -...- x^Pell(n)/(1 -...)))))))), a continued fraction. A206743

A(n, k) = A309522(n, k) - A327001(n, k) for n >= 0 and k >= 3, square array read by ascending antidiagonals. A327000

Numbers n such that n and n+-1 have 4 distinct prime factors. A168628

a(n) is the number of distinct resistances that can be produced from a circuit with exactly n unit resistors. A337517

Arithmetic mean of prime factors of n is an integer and n is neither a prime nor power of a prime. A70005