Properties of the Number 42468

Forty-Two Thousand Four Hundred Sixty-Eight

Basics

Value: 42467 → 42468 → 42469

Parity: even

Prime: No

Previous Prime: 42467

Next Prime: 42473

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 3539

Divisors: 1, 2, 3, 4, 6, 12, 3539, 7078, 10617, 14156

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1010010111100100

Octal: 122744

Duodecimal: 206B0

Hexadecimal: a5e4

Square: 1803531024

Square Root: 206.07765526616416

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

Column 0 of square array A211970 (in which column 1 is A000041). A211971

Sum of primes < n². A139562

a(n) = 10000·n + 2468. A102689

Sum of primes <= 3ⁿ. A139390

Terms of A007504 divisible by 3. A249679

Expansion of e.g.f. ∏_k>=1 (1 - log(1 - x^k)). A330074

Expansion of e.g.f. ∏_k>=1 1/(1 - x^k)^AH(k), where AH(k) is the k-th alternating harmonic number. A305128

Numerators of continued fraction convergents to sqrt(762). A42468

The smallest positive number that must be added to or subtracted from the sum of the first n primes in order to get a prime. A235431