Properties of the Number 70227

Seventy Thousand Two Hundred Twenty-Seven

Basics

Value: 70226 → 70227 → 70228

Parity: odd

Prime: No

Previous Prime: 70223

Next Prime: 70229

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ⁵ × 17 ²

Divisors: 1, 3, 9, 17, 27, 51, 81, 153, 243, 289

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001001001010011

Octal: 211123

Duodecimal: 34783

Hexadecimal: 11253

Square: 4931831529

Square Root: 265.00377355803823

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

Product of the 5th power of a prime and different distinct prime of the 2nd power (p⁵*q²). A179646

a(0) = 3, a(1) = 8, a(n+2) = 4·a(n+1) - a(n) - 2. A102206

Consider all consecutive integer Pythagorean septuples (X, X+1, X+2, X+3, Z-2, Z-1, Z) ordered by increasing Z; sequence gives Z values. A157089

Numbers > 1 that are not a prime power and whose prime indices and exponents are all themselves prime numbers. A352518

a(n) = 4·n³ - 3·n + 1. A280089

a(n) = ((sqrt(3)+1)ⁿ+(sqrt(3)-1)ⁿ)²/2ⁿ⁺¹. A121401

Number of lower triangular n X n arrays colored with integers 0 upwards introduced in row major order, with no element equal to any horizontal, vertical or antidiagonal neighbor, and containing the value n(n+1)/2-2. A211924

Numbers k whose smallest prime factor index is equal to the number of distinct prime factors of k and whose largest prime factor index is equal to the number of prime factors of k counted with multiplicity. A393102

Numbers k such that 7·10^k + 8·R_k - 5 is prime, where R_k = 11...1 is the repunit (A002275) of length k. A103066

Numbers of the form 20·k+7 which are three times a square. A192328