Properties of the Number 80605

Eighty Thousand Six Hundred Five

Basics

Value: 80604 → 80605 → 80606

Parity: odd

Prime: No

Previous Prime: 80603

Next Prime: 80611

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 × 7 ³ × 47

Divisors: 1, 5, 7, 35, 47, 49, 235, 245, 329, 343

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10011101011011101

Octal: 235335

Duodecimal: 3A791

Hexadecimal: 13add

Square: 6497166025

Square Root: 283.91019706942546

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

Triangle read by rows: T(n, k) is the number of k-dimensional subspaces in (F₅)ⁿ, counted up to coordinate permutation (n >= 0, 0 <= k <= n). A347972

Irregular triangle read by rows: T(n, k) is the number of chains of subspaces 0 < V₁ < ... < V_r = (F₅)ⁿ, counted up to coordinate permutation, with dimension increments given by (any fixed permutation of) the parts of the k-th partition of n in Abramowitz-Stegun order. A348180

Golomb's sequence using odd integers. A80605