Properties of the Number 72010

Seventy-Two Thousand Ten

Basics

Value: 72009 → 72010 → 72011

Parity: even

Prime: No

Previous Prime: 71999

Next Prime: 72019

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 2 × 5 × 19 × 379

Divisors: 1, 2, 5, 10, 19, 38, 95, 190, 379, 758

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: Yes

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001100101001010

Octal: 214512

Duodecimal: 3580A

Hexadecimal: 1194a

Square: 5185440100

Square Root: 268.3467905528218

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) = n⁴ - (n-1)⁴ + (n-2)⁴ - ... 0⁴. A62392

Numbers k such that k | 10^k + 10. A15902

Doubly hexagonal numbers. A63249

Number of singular 2 X 2 matrices over Z(n) (i.e., with determinant = 0). A20478

Triangular numbers with sum of digits = 10. A68129

Even triangular numbers with prime indices. A34955

a(n) = n*(8·n² + 1)/3. A143166

Triangular numbers T from A000217 such that (4·T+1)/13 is prime. A208294

Number of inequivalent (modulo C₄ rotations) square n X n grids with squares coming in two colors and three squares have one of the colors. A275799

Triangular numbers whose digit reversal is a brilliant number (A078972). A115678