Properties of the Number 1236

One Thousand Two Hundred Thirty-Six

Basics

Value: 1235 → 1236 → 1237

Parity: even

Prime: No

Previous Prime: 1231

Next Prime: 1237

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 103

Divisors: 1, 2, 3, 4, 6, 12, 103, 206, 309, 412

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011010100

Octal: 2324

Duodecimal: 870

Hexadecimal: 4d4

Square: 1527696

Square Root: 35.156791662493895

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

Replace n with concatenation of its divisors. A37278

Sums of twin prime pairs. A54735

Multiples of 12 containing a 12 in their decimal representation. A121032

Integers of the form m*(m + 7)/8. A274979

Expansion of reciprocal of Hauptmodul for Gamma₀(18). A92848

Number of partitions of n such that the set of parts and the set of multiplicities of parts are disjoint. A114639

a(n) = n! * ∑_k=1..n-1 1/k!. A38156

Numbers m such that there are precisely 15 groups of order m. A294156

Numbers k whose largest divisor <= sqrt(k) equals 12. A162532

Numbers whose sum of digits and number of divisors are equal. A57531