Properties of the Number -40026

Forty Thousand Twenty-Six

Basics

Value: -40027 → -40026 → -40025

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 7 × 953

Divisors: 1, 2, 3, 6, 7, 14, 21, 42, 953, 1906

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -1001110001011010

Octal: -116132

Duodecimal: -1B1B6

Hexadecimal: -9c5a

Square: 1602080676

Square Root: 200.0649894409314

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

Number of ways to partition 2n+1 into distinct positive integers. A78408

a(n) = number of partitions of primes into distinct (also odd) parts. A64688

Multiples of 7 in which there is no common digit in successive terms. A83495

Triangle T(n,k), n >= 2, 0 <= k <= floor(n²/2)-2, read by rows, where T(n,k) is the number of 2*(k+2)-cycles in the n X n grid graph which pass through NW corner (0,0). A333651

Number of ways to partition 4·n+1 into distinct positive integers. A78409

Number of permutations p of [n] such that p(i) > p(i+1) iff i == 1 (mod 8). A250264

a(n) is the least positive integer k such that g(k) = n·g(k-1), where g(k) = prime(k+1) - prime(k). A78563