Properties of the Number 71330

Seventy-One Thousand Three Hundred Thirty

Basics

Value: 71329 → 71330 → 71331

Parity: even

Prime: No

Previous Prime: 71329

Next Prime: 71333

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 × 5 × 7 × 1019

Divisors: 1, 2, 5, 7, 10, 14, 35, 70, 1019, 2038

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001011010100010

Octal: 213242

Duodecimal: 35342

Hexadecimal: 116a2

Square: 5087968900

Square Root: 267.0767679900294

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 strict integer partitions of 2·n with no subset summing to n. A321142

Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 13. A31691

Regular triangle read by rows: T(n,k) is the k-th ionization energy of the n-th chemical element (in kJ/mol), rounded to the nearest integer. A322834

Number of decompositions of n into sum of two prime powers. A71330

Expansion of g.f. A(x) satisfying ∑_n>=0 ∏_k=1..n (x^2·k-1 + A(x)) = ∏_k>=1 (1 - x^2·k) * (1 + x^k + A(x))² / (1 + x^2·k + A(x))². A370344

Number of (n+1)X(2+1) arrays of permutations of 0..n·3+2 with each element having directed index change 2,-1 1,0 2,1 0,-1 -2,-2 or -1,0. A264485