Properties of the Number 42900

Forty-Two Thousand Nine Hundred

Basics

Value: 42899 → 42900 → 42901

Parity: even

Prime: No

Previous Prime: 42899

Next Prime: 42901

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 5 ² × 11 × 13

Divisors: 1, 2, 3, 4, 5, 6, 10, 11, 12, 13

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1010011110010100

Octal: 123624

Duodecimal: 209B0

Hexadecimal: a794

Square: 1840410000

Square Root: 207.12315177207978

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

Numbers m such that the largest digit in the decimal expansion of 1/m is 3. A350814

a(n) = ∏_{d∣n, d<n} A019565(A003714(d)), where A003714(n) is the n-th Fibbinary number. A300834

Irregular triangle read by rows T(n,m), coefficients in power/Fourier series expansion of an arbitrary anharmonic oscillator's exact phase space angular velocity. A276814

Positive integers i for which A112049(i) == 9. A112069

Number of polygonal cacti on n unlabeled nodes with every polygon having an even number of edges. A332651

Fifth column (m=4) of triangle A060098. A60100

Magic sums of 4 X 4 magic squares composed of odd squares. A271582

Smallest integer such that the sum of its n smallest divisors is a square. A289712

a(n) = number of (s(0), s(1), ..., s(n)) such that s(i) is a nonnegative integer and |s(i) - s(i-1)| <= 1 for i = 1,2,...,n, s(0) = 2, s(n) = 5. Also a(n) = T(n,n-3), where T is the array in A026323. A26328

Fifth column (m=4) of triangle A060102. A60104