Properties of the Number 80620

Eighty Thousand Six Hundred Twenty

Basics

Value: 80619 → 80620 → 80621

Parity: even

Prime: No

Previous Prime: 80611

Next Prime: 80621

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 5 × 29 × 139

Divisors: 1, 2, 4, 5, 10, 20, 29, 58, 116, 139

Polygonal

Triangular: No

Square: No

Pentagonal: Yes

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10011101011101100

Octal: 235354

Duodecimal: 3A7A4

Hexadecimal: 13aec

Square: 6499584400

Square Root: 283.93661264444216

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

Pentagonal numbers with only even digits. A117990

Expansion of (1+4x)/(1+4x+5x²). A90133

a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 62. A93262

Consider 3 X 3 X 3 Rubik cube, but only allow the anti-slice group to act; sequence gives number of positions that are exactly n moves from the start. A80620