# 7744 (number)

 ← 7743 7744 7745 →
Cardinalseven thousand seven hundred forty-four
Ordinal7744th
(seven thousand seven hundred forty-fourth)
Factorization26 × 112
Divisors2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 121, 176, 242, 352, 484, 704, 968, 1,936, 3,872
Greek numeral,ΖΨΜΔ´
Roman numeralVMMDCCXLIV
Binary11110010000002
Ternary1011212113
Quaternary13210004
Quinary2214345
Senary555046
Octal171008
Duodecimal459412
VigesimalJ7420
Base 365Z436

7744 is the natural number following 7743 and preceding 7745.

## In mathematics

7744 is:

• the square of 88, and is the smallest nonzero square each of whose decimal digits occur exactly twice.[1]
• the sum of two fifth powers: 7744 = 65 + (−2)5.[2]
• a Harshad number in bases 5, 9, 10, 12, 14 and 15.
• the aliquot sum of both 10316 and 15482.
• part of the 29-aliquot tree.

The complete aliquot sequence starting at 7716 is: 7716, 10316, 7744, 9147, 3053, 115, 29, 1, 0

## References

1. ^ Sloane, N. J. A. (ed.). "Sequence A052070 (Smallest squares whose digits occur with the same frequency n)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
2. ^