The binary equivalent of the hexadecimal F, as in: "There are only 10 kinds of people in the world: Those who understand hexadecimal and F the rest."

165

1 - 6 = (-)5

4827

My date of birth (more or less...)

821848

The number of angels that can dance on the head of a pin.

2

The number of pins that I could hear in this (almost deep) silence, if they dropped all together to make a bit more noise than just one.

(“One” was mentioned at the end, so I’m going with that.)

The loneliest number that you’ll be ever see.

72

A number I really like.

333

The Beast's half brother

2401

(ROFL!)
First year of the 25th century.

777

A downtown building with a fresh market inside.

987

part of a countdown

654

A house a few doors down from the Addams Family (666).

321

Blastoff!

10101

Someone looking through three of their fingers.

71559

The inhabitants of Springfield center.

5

The partial score in a Muppet Babies newscast

10201

I think there used to be a TV show for teenagers with a title like that...

100/3

What you get when you split a Benjamin between yourself and two friends.

53105

My brain keeps wanting to read that as "5318008", but it's just not right...

360

Coming full circle

315

Pi rounded up

1000

The first "four-figure" number

1209

12-3 = 09

1300

One century after 1200

1222

Twenty-Two years after 1200.

8675309