Properties of the Number 80070

Eighty Thousand Seventy

Basics

Value: 80069 → 80070 → 80071

Parity: even

Prime: No

Previous Prime: 80051

Next Prime: 80071

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 5 × 17 × 157

Divisors: 1, 2, 3, 5, 6, 10, 15, 17, 30, 34

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10011100011000110

Octal: 234306

Duodecimal: 3A406

Hexadecimal: 138c6

Square: 6411204900

Square Root: 282.9664291042314

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 connected functions on n points with a loop of length 2. A27852

T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 horizontally and 1 1 1 vertically. A206994

Number of nontrivial prime powers p^k (k>1) less than 10ⁿ. A267574

Number of rooted unlabeled trees on n nodes having a primary branch. A27415

Number of rooted unlabeled trees where the root node has degree 2 and both branches are distinct. A217420

a(n) = (122n³ + 140n² + 45n + 3n(-1)ⁿ)/8. A191698

Number of n X 3 0..1 arrays avoiding 0 0 0 horizontally and 1 1 1 vertically. A206989

Number of nX7 0..1 arrays avoiding 0 0 0 horizontally and 1 1 1 vertically. A206993

Decimal encoding of parenthesizations produced by simple iteration starting from empty parentheses and where each successive parenthesization is obtained from the previous by reflecting it as a general tree/parenthesization, then adding an extra stem below the root and then reflecting the underlying binary tree. A80070