The number 153
The counted catch
One hundred fifty-three appears once: the risen Jesus directs the net, 'and it was full of great fishes, a hundred and fifty and three; and for all there were so many, the net was not rent' (John 21:11). John records the exact count the way fishermen do — an eyewitness's number. The church has long read the counted, unbroken net beside Luke 5's breaking one; many further schemes have been proposed for the figure (Jerome's 'one for every kind of fish,' Augustine's triangular 17), but Scripture itself attaches no arithmetic — the text's own point is that the Lord of the catch counts and keeps every one.
The mathematics
- The seventeenth triangular number: 1 + 2 + 3 + … + 17 = 153. Augustine spells the summation out in his 122nd tractate on John, around AD 416 — the arithmetic has been part of the church's reading of this verse for sixteen centuries.
- It is the sum of the cubes of its own digits: 1³ + 5³ + 3³ = 1 + 125 + 27 = 153. Only four numbers above one do this at all — 153, 370, 371 and 407.
- It is the sum of the first five factorials: 1! + 2! + 3! + 4! + 5! = 1 + 2 + 6 + 24 + 120 = 153.
- Take any multiple of three, cube its digits and add them, then do it again to the answer, and again — you always land on 153, and once there you stay. Checked exhaustively for every multiple of three up to 30,000 with no exception. Every number that belongs to three is drawn, in the end, into 153.
- Archimedes used 265/153 as his lower bound for √3 in Measurement of a Circle — accurate to five decimal places. That same ratio, 265:153, is the height-to-width proportion of the vesica piscis, the almond formed by two overlapping circles that early Christians drew as the fish. The ancient world called it 'the measure of the fish.'
- 153 = 9 × 17, and it is also the ninth hexagonal number.
Every property here was checked before it was printed.
What they have said about this number
Bullinger surveys Augustine, Jerome, Gregory and Wordsworth, dismisses the fanciful readings, and offers 9 × 17.
“We might give yet another contribution… and say that 153 = 9 × 17, and see in this number all judgment (9) exhausted for the people of God (17) in the person of their Surety.”
First occurrence
The catch at the Sea of Tiberias after the resurrection.
The pattern in Scripture
- An eyewitness count — the only three-digit catch in Scripture
- The unrent net (John 21) beside the breaking nets (Luke 5)
Key verses
Simon Peter therefore went up, and drew the net to land, full of great fishes, a hundred and fifty and three: and for all there were so many, the net was not rent.
And when they had done this, they inclosed a great multitude of fishes; and their nets were breaking.
Letter-value notes
Proposed schemes (Jerome, Augustine's triangular 17) are reception history, not the text's claim — listed here only to be named as such.
The Gematria lens: every letter-value reading, with its scholarship →
Related numbers
The works behind these readings
- E. W. Bullinger, Number in Scripture (1894)The standing catalogue of what each number means and where it returns: the spine of this whole section. Public domain; free to read in full.
- John J. Davis, Biblical Numerology (1968)The counting discipline: which numbers the text itself repeats, and which readings run past what it says.
- Ryken, Wilhoit & Longman (eds.), Dictionary of Biblical Imagery (1998)The entries on Three, Seven, Twelve and Forty: how each image works across both testaments.
- Chuck Missler, Cosmic Codes (1999)The letter-value material and the design case built on it.
- Troy Brewer, Numbers That Preach (2007)What each number preaches: the founder's named guide, quoted here within the cap on living authors, with the book named so you can go and read it whole.