Properties of the Number -103285

One Hundred Three Thousand Two Hundred Eighty-Five

Basics

Value: -103286 → -103285 → -103284

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 × 7 × 13 × 227

Divisors: 1, 5, 7, 13, 35, 65, 91, 227, 455, 1135

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -11001001101110101

Octal: -311565

Duodecimal: -4B931

Hexadecimal: -19375

Square: 10667791225

Square Root: 321.3798375754148

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

Triangular numbers which have one or more occurrences of exactly six different digits. A241789

a(1) = 1; a(n+1) = smallest triangular number > a(n) formed by adding at least one digit to a(n). A68618

a(n) = n*(n² - 1)*(n + 2)*(n² + 4·n + 6)/72. A54563

a(1) = 5; a(n+1) = smallest triangular number > a(n) formed by adding at least one digit to a(n). A68622

Partial sums of icosahedral numbers (A006564). A302560

Iterated binomial coefficients. A49383

a(1) = 0, then smallest triangular number such that a(n+1)- a(n) is a palindrome. A75057

Let p(n) be the n-th composite squarefree number. a(n) is the smallest integer q that forms a pure idempotent product. A325945

Triangular numbers such that the sum of cubes of their digits is prime. A345351