Properties of the Number 40070

Forty Thousand Seventy

Basics

Value: 40069 → 40070 → 40071

Parity: even

Prime: No

Previous Prime: 40063

Next Prime: 40087

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 × 5 × 4007

Divisors: 1, 2, 5, 10, 4007, 8014, 20035, 40070

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 1001110010000110

Octal: 116206

Duodecimal: 1B232

Hexadecimal: 9c86

Square: 1605604900

Square Root: 200.174923504419

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

a(n) is the number of terms in the expansion of (x-y)*(x⁴-y⁴)*(x⁹-y⁹)*...*(x^n²-y^n²). A225549

Numbers n such that n | (sigma₅(n) - φ(n)⁵). A55699

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 1, 0), (0, 0, -1), (0, 1, 1), (1, 0, -1)}. A148696

Numbers n such that either prime(n-1) == -1 (mod n) or prime(n+1) == -1 (mod n) but not both. A225318

Primes p such that x³ = 15 has no solution mod p. A40070

Period 6: repeat [3, 9, 6, 6, 9, 3]. A269226