Can you solve it?

Phocas Puzzle

So, get ready to flex those mental muscles and crack the case. It’s time to become a puzzle master!

View instructions What is Phocas?
Phocas Puzzle

Puzzle instructions

Given the JavaScript function shown on the page.

If `phocas(s)` returns:

'218407210331402581777107732116332691048930881899854695705'

What is the original string `s`?

Please provide your solution in the field below.

Enter your solution

Nope, not it! Have another go.


    function phocas(s) {
        let b = s.split('').map(
            (c)=>c.charCodeAt(0).toString(16)
        );
        let n = BigInt('0x1');
        while (b.length > 0) {
            let m = b.splice(0,15).join('');
            n *= BigInt('0x' + m + '1485');
        }
        return n.toString(10);
    }
Phocas careers

Create your happy place

Color outside the lines

Color outside the lines

If consistency and routine bore you, Phocas will excite. It’s a place for those that like to color outside the lines. Fun, fast and agile. Where every day is changing and high-performers chase their next challenge. It’s how we adapt that keeps us at the leading edge of new tech, trends and global challenges.

If you lean into it, you’ll find work that moves you and the world forward.

Freedom to be you

Freedom to be you

The ability to express your ideas, challenge opinions, try new things or do a job your way? Maybe it’s as simple as having time for the things you love. Exercise when it suits you, take a course, or extra time with the kids.

Freedom is different for everyone, which is why you’ll be supported to explore what it means to you.

Never go it alone

Never go it alone

Growth can be uncomfortable. And while everyone’s experience is different, you won’t feel like you’re winging it alone.

Everyone - from the founder to the person sitting next to you – is rooting for you. You’ll find a group of people who want to support you – whether on a project, a career aspiration or working through your feelings about pineapple on pizza. That’s a support-worthy cause, after all, no matter which side of the tropical debate you swing.