Properties of the Number 42928

Forty-Two Thousand Nine Hundred Twenty-Eight

Basics

Value: 42927 → 42928 → 42929

Parity: even

Prime: No

Previous Prime: 42923

Next Prime: 42929

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ⁴ × 2683

Divisors: 1, 2, 4, 8, 16, 2683, 5366, 10732, 21464, 42928

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1010011110110000

Octal: 123660

Duodecimal: 20A14

Hexadecimal: a7b0

Square: 1842813184

Square Root: 207.1907333835179

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

Sum of A037888(p) for all primes p such that 2ⁿ < p < 2ⁿ⁺¹. A95742

Number of -n..n arrays x(0..4) of 5 elements with sum zero and with zeroth through 4th differences all nonzero. A200041

Self-convolution of row n of array T given by A026120. A27322

Number of permutations of 3 copies of 1..n with no element e[i>=2]<e[1+floor((i-2)/2)] (2-way heap). A178017

T(n,k)=Number of -k..k arrays x(0..n-1) of n elements with sum zero and with zeroth through n-1st differences all nonzero. A200038

Numbers whose abundancy index is larger than π²/6. A353537

Numerators of continued fraction convergents to sqrt(996). A42928