Properties of the Number 72998

Seventy-Two Thousand Nine Hundred Ninety-Eight

Basics

Value: 72997 → 72998 → 72999

Parity: even

Prime: No

Previous Prime: 72997

Next Prime: 73009

Digit Sum: 35

Digital Root: 8

Palindrome: No

Factorization: 2 × 17 × 19 × 113

Divisors: 1, 2, 17, 19, 34, 38, 113, 226, 323, 646

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001110100100110

Octal: 216446

Duodecimal: 362B2

Hexadecimal: 11d26

Square: 5328708004

Square Root: 270.18142053072415

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 digits in the decimal expansion of the number of partitions of 2ⁿ. A129490

Number of binary strings of length n with equal numbers of 0000 and 0101 substrings. A164150

Numbers n such that prime(n) contains a substring of all the prime digits in order, i.e., "2357". A295708

To get a(n), write n in balanced ternary notation (using only digits -1, 0, 1, -1), then change -1's to 0's, 0's to 1's, and 1's to 2's. A72998