Properties of the Number -42070

Forty-Two Thousand Seventy

Basics

Value: -42071 → -42070 → -42069

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 × 5 × 7 × 601

Divisors: 1, 2, 5, 7, 10, 14, 35, 70, 601, 1202

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1010010001010110

Octal: -122126

Duodecimal: -2041A

Hexadecimal: -a456

Square: 1769884900

Square Root: 205.1097267318154

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 whose squares are the sums of 24 consecutive squares. A180274

Number of plane partitions of n with 3 or more columns. A89924

a(n) = ∑_i=0..n ∑_j=0..i T(i,j), T given by A026536. A26550

Expansion of x⁴*(2+x)/((1+x)*(1-x)⁵). A82289

Floor((prime(n)/n)ⁿ). A121623

Expansion of 1/(x^k*(1-x-3·x^k+1)) for k=8. A143459

a(n) = ∑_j=0..2·n ∑_k=0..j A026536(j, k). A352972

Numerator of Bernoulli(n, 4/9). A158956

Triangle T(n,k), read by rows, given by (0, 2, 3, 4, 6, 6, 9, 8, 12, 10, 15, ...) δ (1, 0, 1, 0, 1, 0, 1, 0, 1, 0, ...) where δ is the operator defined in A084938. A185285

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, -1), (0, 0, 1), (1, 0, -1), (1, 1, 1)}. A150720