Properties of the Number 70640

Seventy Thousand Six Hundred Forty

Basics

Value: 70639 → 70640 → 70641

Parity: even

Prime: No

Previous Prime: 70639

Next Prime: 70657

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ⁴ × 5 × 883

Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001001111110000

Octal: 211760

Duodecimal: 34A68

Hexadecimal: 113f0

Square: 4990009600

Square Root: 265.78186544608343

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

Triangle read by rows: T(m,n) is the Szeged index of the grid graph P_m X P_n (1 <= n <= m). A245826

Number of partitions of n into distinct parts with boundary size 10. A227567

Numbers k such that k and k² use only the digits 0, 4, 6, 7 and 9. A136955

Number of n X 4 nonnegative integer arrays with upper left 0 and every value within 3 of its king move distance from the upper left and every value increasing by 0 or 1 with every step right, diagonally se or down. A252934

T(n,k)=Number of nXk nonnegative integer arrays with upper left 0 and every value within 3 of its king move distance from the upper left and every value increasing by 0 or 1 with every step right, diagonally se or down. A252938

Number of ways to place 5 nonattacking wazirs on a 5 X n board. A172231

Number of ways to write n = i + j + k with 0 < i < j < k such that φ(i), φ(j) and φ(k) are all cubes, where φ(.) is Euler's totient function. A237123

a(n) = n⁶ mod 17. A70640