Properties of the Number 12028

Twelve Thousand Twenty-Eight

Basics

Value: 12027 → 12028 → 12029

Parity: even

Prime: No

Previous Prime: 12011

Next Prime: 12037

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 31 × 97

Divisors: 1, 2, 4, 31, 62, 97, 124, 194, 388, 3007

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10111011111100

Octal: 27374

Duodecimal: 6B64

Hexadecimal: 2efc

Square: 144672784

Square Root: 109.67223896684156

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

Integers that are Rhonda numbers to base 12. A100971

Collatz (or 3x+1) trajectory starting at 703. A161021

Sum of the squarefree parts of the partitions of n into 10 parts. A309486

Expansion of g.f. (1+x-x²)/((1-x)*(1-3·x)). A52909

a(n) = n*(25·n + 1)/2. A22283

Boris Stechkin's function. A55004

a(n) = a(1) + a(2) + ... + a(n-1) - a(m) for n >= 4, where m = 2^p+1 + 2 - n and p is the unique integer such that 2^p < n - 1 <= 2^p+1, starting with a(1) = a(2) = 1 and a(3) = 3. A49893

Indices of records in A347113. A347308

S[A002808(n)] where S[] is Boris Stechkin's function (A055004) and A002808(n) are the composites. A63483

Records in A119632. A210611